Several vulnerabilities were discovered in qemu, a full virtualization solution on x86 hardware.

  - CVE-2015-7295     Jason Wang of Red Hat Inc. discovered that the Virtual     Network Device support is vulnerable to     denial-of-service, that could occur when receiving large     packets.

  - CVE-2015-7504     Qinghao Tang of Qihoo 360 Inc. and Ling Liu of Qihoo 360     Inc. discovered that the PC-Net II ethernet controller     is vulnerable to a heap-based buffer overflow that could     result in denial-of-service (via application crash) or     arbitrary code execution.

  - CVE-2015-7512     Ling Liu of Qihoo 360 Inc. and Jason Wang of Red Hat     Inc. discovered that the PC-Net II ethernet controller     is vulnerable to a buffer overflow that could result in     denial-of-service (via application crash) or arbitrary     code execution.

  - CVE-2015-7549     Qinghao Tang of Qihoo 360 Inc. and Ling Liu of Qihoo 360     Inc. discovered that the PCI MSI-X emulator is     vulnerable to a NULL pointer dereference issue, that     could lead to denial-of-service (via application crash).

  - CVE-2015-8345     Qinghao Tang of Qihoo 360 Inc. discovered that the     eepro100 emulator contains a flaw that could lead to an     infinite loop when processing Command Blocks, eventually     resulting in denial-of-service (via application crash).

  - CVE-2015-8504     Lian Yihan of Qihoo 360 Inc. discovered that the VNC     display driver support is vulnerable to an arithmetic     exception flaw that could lead to denial-of-service (via     application crash).

  - CVE-2015-8550     Felix Wilhelm of ERNW Research discovered that the PV     backend drivers are vulnerable to double fetch     vulnerabilities, possibly resulting in arbitrary code     execution.

  - CVE-2015-8558     Qinghao Tang of Qihoo 360 Inc. discovered that the USB     EHCI emulation support contains a flaw that could lead     to an infinite loop during communication between the     host controller and a device driver. This could lead to     denial-of-service (via resource exhaustion).

  - CVE-2015-8567 CVE-2015-8568     Qinghao Tang of Qihoo 360 Inc. discovered that the     vmxnet3 device emulator could be used to intentionally     leak host memory, thus resulting in denial-of-service.

  - CVE-2015-8613     Qinghao Tang of Qihoo 360 Inc. discovered that the SCSI     MegaRAID SAS HBA emulation support is vulnerable to a     stack-based buffer overflow issue, that could lead to     denial-of-service (via application crash).

  - CVE-2015-8619     Ling Liu of Qihoo 360 Inc. discovered that the Human     Monitor Interface support is vulnerable to an     out-of-bound write access issue that could result in     denial-of-service (via application crash).

  - CVE-2015-8743     Ling Liu of Qihoo 360 Inc. discovered that the NE2000     emulator is vulnerable to an out-of-bound read/write     access issue, potentially resulting in information leak     or memory corruption.

  - CVE-2015-8744     The vmxnet3 driver incorrectly processes small packets,     which could result in denial-of-service (via application     crash).

  - CVE-2015-8745     The vmxnet3 driver incorrectly processes Interrupt Mask     Registers, which could result in denial-of-service (via     application crash).

  - CVE-2016-1568     Qinghao Tang of Qihoo 360 Inc. discovered that the IDE     AHCI emulation support is vulnerable to a use-after-free     issue, that could lead to denial-of-service (via     application crash) or arbitrary code execution.

  - CVE-2016-1714     Donghai Zhu of Alibaba discovered that the Firmware     Configuration emulation support is vulnerable to an     out-of-bound read/write access issue, that could lead to     denial-of-service (via application crash) or arbitrary     code execution.

  - CVE-2016-1922     Ling Liu of Qihoo 360 Inc. discovered that 32-bit     Windows guests support is vulnerable to a NULL pointer     dereference issue, that could lead to denial-of-service     (via application crash).

  - CVE-2016-1981     The e1000 driver is vulnerable to an infinite loop issue     that could lead to denial-of-service (via application     crash).

xen was updated to fix 44 security issues.

These security issues were fixed :

  - CVE-2013-4533: Buffer overflow in the pxa2xx_ssp_load     function in hw/arm/pxa2xx.c allowed remote attackers to     cause a denial of service or possibly execute arbitrary     code via a crafted s->rx_level value in a savevm image     (bsc#864655).

  - CVE-2013-4534: Buffer overflow in hw/intc/openpic.c     allowed remote attackers to cause a denial of service or     possibly execute arbitrary code via vectors related to     IRQDest elements (bsc#864811).

  - CVE-2013-4537: The ssi_sd_transfer function in     hw/sd/ssi-sd.c allowed remote attackers to execute     arbitrary code via a crafted arglen value in a savevm     image (bsc#864391).

  - CVE-2013-4538: Multiple buffer overflows in the     ssd0323_load function in hw/display/ssd0323.c allowed     remote attackers to cause a denial of service (memory     corruption) or possibly execute arbitrary code via     crafted (1) cmd_len, (2) row, or (3) col values; (4)     row_start and row_end values; or (5) col_star and     col_end values in a savevm image (bsc#864769).

  - CVE-2013-4539: Multiple buffer overflows in the     tsc210x_load function in hw/input/tsc210x.c might have     allowed remote attackers to execute arbitrary code via a     crafted (1) precision, (2) nextprecision, (3) function,     or (4) nextfunction value in a savevm image     (bsc#864805).

  - CVE-2014-0222: Integer overflow in the qcow_open     function in block/qcow.c allowed remote attackers to     cause a denial of service (crash) via a large L2 table     in a QCOW version 1 image (bsc#877642).

  - CVE-2014-3640: The sosendto function in slirp/udp.c     allowed local users to cause a denial of service (NULL     pointer dereference) by sending a udp packet with a     value of 0 in the source port and address, which     triggers access of an uninitialized socket (bsc#897654).

  - CVE-2014-3689: The vmware-vga driver     (hw/display/vmware_vga.c) allowed local guest users to     write to qemu memory locations and gain privileges via     unspecified parameters related to rectangle handling     (bsc#901508).

  - CVE-2014-7815: The set_pixel_format function in ui/vnc.c     allowed remote attackers to cause a denial of service     (crash) via a small bytes_per_pixel value (bsc#902737).

  - CVE-2014-9718: The (1) BMDMA and (2) AHCI HBA interfaces     in the IDE functionality had multiple interpretations of     a function's return value, which allowed guest OS users     to cause a host OS denial of service (memory consumption     or infinite loop, and system crash) via a PRDT with zero     complete sectors, related to the bmdma_prepare_buf and     ahci_dma_prepare_buf functions (bsc#928393).

  - CVE-2015-1779: The VNC websocket frame decoder allowed     remote attackers to cause a denial of service (memory     and CPU consumption) via a large (1) websocket payload     or (2) HTTP headers section (bsc#924018).

  - CVE-2015-5278: Infinite loop in ne2000_receive()     function (bsc#945989).

  - CVE-2015-6855: hw/ide/core.c did not properly restrict     the commands accepted by an ATAPI device, which allowed     guest users to cause a denial of service or possibly     have unspecified other impact via certain IDE commands,     as demonstrated by a WIN_READ_NATIVE_MAX command to an     empty drive, which triggers a divide-by-zero error and     instance crash (bsc#945404).

  - CVE-2015-7512: Buffer overflow in the pcnet_receive     function in hw/net/pcnet.c, when a guest NIC has a     larger MTU, allowed remote attackers to cause a denial     of service (guest OS crash) or execute arbitrary code     via a large packet (bsc#957162).

  - CVE-2015-7549: pci: NULL pointer dereference issue     (bsc#958917).

  - CVE-2015-8345: eepro100: infinite loop in processing     command block list (bsc#956829).

  - CVE-2015-8504: VNC: floating point exception     (bsc#958491).

  - CVE-2015-8550: Paravirtualized drivers were incautious     about shared memory contents (XSA-155) (bsc#957988).

  - CVE-2015-8554: qemu-dm buffer overrun in MSI-X handling     (XSA-164) (bsc#958007).

  - CVE-2015-8555: Information leak in legacy x86 FPU/XMM     initialization (XSA-165) (bsc#958009).

  - CVE-2015-8558: Infinite loop in ehci_advance_state     resulted in DoS (bsc#959005).

  - CVE-2015-8567: vmxnet3: host memory leakage     (bsc#959387).

  - CVE-2015-8568: vmxnet3: host memory leakage     (bsc#959387).

  - CVE-2015-8613: SCSI: stack-based buffer overflow in     megasas_ctrl_get_info (bsc#961358).

  - CVE-2015-8619: Stack based OOB write in hmp_sendkey     routine (bsc#960334).

  - CVE-2015-8743: ne2000: OOB memory access in ioport r/w     functions (bsc#960725).

  - CVE-2015-8744: vmxnet3: Incorrect l2 header validation     lead to a crash via assert(2) call (bsc#960835).

  - CVE-2015-8745: Reading IMR registers lead to a crash via     assert(2) call (bsc#960707).

  - CVE-2015-8817: OOB access in address_space_rw lead to     segmentation fault (I) (bsc#969121).

  - CVE-2015-8818: OOB access in address_space_rw lead to     segmentation fault (II) (bsc#969122).

  - CVE-2016-1568: AHCI use-after-free vulnerability in aio     port commands (bsc#961332).

  - CVE-2016-1570: The PV superpage functionality in     arch/x86/mm.c allowed local PV guests to obtain     sensitive information, cause a denial of service, gain     privileges, or have unspecified other impact via a     crafted page identifier (MFN) to the (1)     MMUEXT_MARK_SUPER or (2) MMUEXT_UNMARK_SUPER sub-op in     the HYPERVISOR_mmuext_op hypercall or (3) unknown     vectors related to page table updates (bsc#960861).

  - CVE-2016-1571: VMX: intercept issue with INVLPG on     non-canonical address (XSA-168) (bsc#960862).

  - CVE-2016-1714: nvram: OOB r/w access in processing     firmware configurations (bsc#961691).

  - CVE-2016-1922: NULL pointer dereference in vapic_write()     (bsc#962320).

  - CVE-2016-1981: e1000 infinite loop in start_xmit and     e1000_receive_iov routines (bsc#963782).

  - CVE-2016-2198: EHCI NULL pointer dereference in     ehci_caps_write (bsc#964413).

  - CVE-2016-2270: Xen allowed local guest administrators to     cause a denial of service (host reboot) via vectors     related to multiple mappings of MMIO pages with     different cachability settings (bsc#965315).

  - CVE-2016-2271: VMX when using an Intel or Cyrix CPU,     allowed local HVM guest users to cause a denial of     service (guest crash) via vectors related to a     non-canonical RIP (bsc#965317).

  - CVE-2016-2391: usb: multiple eof_timers in ohci module     lead to NULL pointer dereference (bsc#967013).

  - CVE-2016-2392: NULL pointer dereference in remote NDIS     control message handling (bsc#967012).

  - CVE-2016-2538: Integer overflow in remote NDIS control     message handling (bsc#967969).

  - CVE-2016-2841: ne2000: Infinite loop in ne2000_receive     (bsc#969350).

  - XSA-166: ioreq handling possibly susceptible to multiple     read issue (bsc#958523).

The update package also includes non-security fixes. See advisory for details.

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

xen was updated to fix 46 security issues.

These security issues were fixed :

  - CVE-2013-4527: Buffer overflow in hw/timer/hpet.c might     have allowed remote attackers to execute arbitrary code     via vectors related to the number of timers     (bsc#964746).

  - CVE-2013-4529: Buffer overflow in hw/pci/pcie_aer.c     allowed remote attackers to cause a denial of service     and possibly execute arbitrary code via a large log_num     value in a savevm image (bsc#964929).

  - CVE-2013-4530: Buffer overflow in hw/ssi/pl022.c allowed     remote attackers to cause a denial of service or     possibly execute arbitrary code via crafted tx_fifo_head     and rx_fifo_head values in a savevm image (bsc#964950).

  - CVE-2013-4533: Buffer overflow in the pxa2xx_ssp_load     function in hw/arm/pxa2xx.c allowed remote attackers to     cause a denial of service or possibly execute arbitrary     code via a crafted s->rx_level value in a savevm image     (bsc#964644).

  - CVE-2013-4534: Buffer overflow in hw/intc/openpic.c     allowed remote attackers to cause a denial of service or     possibly execute arbitrary code via vectors related to     IRQDest elements (bsc#964452).

  - CVE-2013-4537: The ssi_sd_transfer function in     hw/sd/ssi-sd.c allowed remote attackers to execute     arbitrary code via a crafted arglen value in a savevm     image (bsc#962642).

  - CVE-2013-4538: Multiple buffer overflows in the     ssd0323_load function in hw/display/ssd0323.c allowed     remote attackers to cause a denial of service (memory     corruption) or possibly execute arbitrary code via     crafted (1) cmd_len, (2) row, or (3) col values; (4)     row_start and row_end values; or (5) col_star and     col_end values in a savevm image (bsc#962335).

  - CVE-2013-4539: Multiple buffer overflows in the     tsc210x_load function in hw/input/tsc210x.c might have     allowed remote attackers to execute arbitrary code via a     crafted (1) precision, (2) nextprecision, (3) function,     or (4) nextfunction value in a savevm image     (bsc#962758).

  - CVE-2014-0222: Integer overflow in the qcow_open     function in block/qcow.c allowed remote attackers to     cause a denial of service (crash) via a large L2 table     in a QCOW version 1 image (bsc#964925).

  - CVE-2014-3640: The sosendto function in slirp/udp.c     allowed local users to cause a denial of service (NULL     pointer dereference) by sending a udp packet with a     value of 0 in the source port and address, which     triggers access of an uninitialized socket (bsc#965112).

  - CVE-2014-3689: The vmware-vga driver     (hw/display/vmware_vga.c) allowed local guest users to     write to qemu memory locations and gain privileges via     unspecified parameters related to rectangle handling     (bsc#962611).

  - CVE-2014-7815: The set_pixel_format function in ui/vnc.c     allowed remote attackers to cause a denial of service     (crash) via a small bytes_per_pixel value (bsc#962627).

  - CVE-2014-9718: The (1) BMDMA and (2) AHCI HBA interfaces     in the IDE functionality had multiple interpretations of     a function's return value, which allowed guest OS users     to cause a host OS denial of service (memory consumption     or infinite loop, and system crash) via a PRDT with zero     complete sectors, related to the bmdma_prepare_buf and     ahci_dma_prepare_buf functions (bsc#964431).

  - CVE-2015-1779: The VNC websocket frame decoder allowed     remote attackers to cause a denial of service (memory     and CPU consumption) via a large (1) websocket payload     or (2) HTTP headers section (bsc#962632).

  - CVE-2015-5278: Infinite loop in ne2000_receive()     function (bsc#964947).

  - CVE-2015-6855: hw/ide/core.c did not properly restrict     the commands accepted by an ATAPI device, which allowed     guest users to cause a denial of service or possibly     have unspecified other impact via certain IDE commands,     as demonstrated by a WIN_READ_NATIVE_MAX command to an     empty drive, which triggers a divide-by-zero error and     instance crash (bsc#965156).

  - CVE-2015-7512: Buffer overflow in the pcnet_receive     function in hw/net/pcnet.c, when a guest NIC has a     larger MTU, allowed remote attackers to cause a denial     of service (guest OS crash) or execute arbitrary code     via a large packet (bsc#962360).

  - CVE-2015-7549: pci: NULL pointer dereference issue     (bsc#958918).

  - CVE-2015-8345: eepro100: infinite loop in processing     command block list (bsc#956832).

  - CVE-2015-8504: VNC: floating point exception     (bsc#958493).

  - CVE-2015-8550: Paravirtualized drivers were incautious     about shared memory contents (XSA-155) (bsc#957988).

  - CVE-2015-8554: qemu-dm buffer overrun in MSI-X handling     (XSA-164) (bsc#958007).

  - CVE-2015-8555: Information leak in legacy x86 FPU/XMM     initialization (XSA-165) (bsc#958009).

  - CVE-2015-8558: Infinite loop in ehci_advance_state     resulted in DoS (bsc#959006).

  - CVE-2015-8567: vmxnet3: host memory leakage     (bsc#959387).

  - CVE-2015-8568: vmxnet3: host memory leakage     (bsc#959387).

  - CVE-2015-8613: SCSI: stack-based buffer overflow in     megasas_ctrl_get_info (bsc#961358).

  - CVE-2015-8619: Stack based OOB write in hmp_sendkey     routine (bsc#965269).

  - CVE-2015-8743: ne2000: OOB memory access in ioport r/w     functions (bsc#960726).

  - CVE-2015-8744: vmxnet3: Incorrect l2 header validation     lead to a crash via assert(2) call (bsc#960836).

  - CVE-2015-8745: Reading IMR registers lead to a crash via     assert(2) call (bsc#960707).

  - CVE-2015-8817: OOB access in address_space_rw lead to     segmentation fault (I) (bsc#969125).

  - CVE-2015-8818: OOB access in address_space_rw lead to     segmentation fault (II) (bsc#969126).

  - CVE-2016-1568: AHCI use-after-free vulnerability in aio     port commands (bsc#961332).

  - CVE-2016-1570: The PV superpage functionality in     arch/x86/mm.c allowed local PV guests to obtain     sensitive information, cause a denial of service, gain     privileges, or have unspecified other impact via a     crafted page identifier (MFN) to the (1)     MMUEXT_MARK_SUPER or (2) MMUEXT_UNMARK_SUPER sub-op in     the HYPERVISOR_mmuext_op hypercall or (3) unknown     vectors related to page table updates (bsc#960861).

  - CVE-2016-1571: VMX: intercept issue with INVLPG on     non-canonical address (XSA-168) (bsc#960862).

  - CVE-2016-1714: nvram: OOB r/w access in processing     firmware configurations (bsc#961692).

  - CVE-2016-1922: NULL pointer dereference in vapic_write()     (bsc#962321).

  - CVE-2016-1981: e1000 infinite loop in start_xmit and     e1000_receive_iov routines (bsc#963783).

  - CVE-2016-2198: EHCI NULL pointer dereference in     ehci_caps_write (bsc#964415).

  - CVE-2016-2270: Xen allowed local guest administrators to     cause a denial of service (host reboot) via vectors     related to multiple mappings of MMIO pages with     different cachability settings (bsc#965315).

  - CVE-2016-2271: VMX when using an Intel or Cyrix CPU,     allowed local HVM guest users to cause a denial of     service (guest crash) via vectors related to a     non-canonical RIP (bsc#965317).

  - CVE-2016-2391: usb: multiple eof_timers in ohci module     lead to NULL pointer dereference (bsc#967101).

  - CVE-2016-2392: NULL pointer dereference in remote NDIS     control message handling (bsc#967090).

  - CVE-2016-2538: Integer overflow in remote NDIS control     message handling (bsc#968004).

  - XSA-166: ioreq handling possibly susceptible to multiple     read issue (bsc#958523).

The update package also includes non-security fixes. See advisory for details.

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

kvm was updated to fix 33 security issues.

These security issues were fixed :

  - CVE-2016-4439: Avoid OOB access in 53C9X emulation     (bsc#980711)

  - CVE-2016-4441: Avoid OOB access in 53C9X emulation     (bsc#980723)

  - CVE-2016-3710: Fixed VGA emulation based OOB access with     potential for guest escape (bsc#978158)

  - CVE-2016-3712: Fixed VGa emulation based DOS and OOB     read access exploit (bsc#978160)

  - CVE-2016-4037: Fixed USB ehci based DOS (bsc#976109)

  - CVE-2016-2538: Fixed potential OOB access in USB net     device emulation (bsc#967969)

  - CVE-2016-2841: Fixed OOB access / hang in ne2000     emulation (bsc#969350)

  - CVE-2016-2858: Avoid potential DOS when using QEMU     pseudo random number generator (bsc#970036)

  - CVE-2016-2857: Fixed OOB access when processing IP     checksums (bsc#970037)

  - CVE-2016-4001: Fixed OOB access in Stellaris enet     emulated nic (bsc#975128)

  - CVE-2016-4002: Fixed OOB access in MIPSnet emulated     controller (bsc#975136)

  - CVE-2016-4020: Fixed possible host data leakage to guest     from TPR access (bsc#975700)

  - CVE-2015-3214: Fixed OOB read in i8254 PIC (bsc#934069)

  - CVE-2014-9718: Fixed the handling of malformed or short     ide PRDTs to avoid any opportunity for guest to cause     DoS by abusing that interface (bsc#928393)

  - CVE-2014-3689: Fixed insufficient parameter validation     in rectangle functions (bsc#901508)

  - CVE-2014-3615: The VGA emulator in QEMU allowed local     guest users to read host memory by setting the display     to a high resolution (bsc#895528).

  - CVE-2015-5239: Integer overflow in vnc_client_read() and     protocol_client_msg() (bsc#944463).

  - CVE-2015-5278: Infinite loop in ne2000_receive()     function (bsc#945989).

  - CVE-2015-5279: Heap-based buffer overflow in the     ne2000_receive function in hw/net/ne2000.c in QEMU     allowed guest OS users to cause a denial of service     (instance crash) or possibly execute arbitrary code via     vectors related to receiving packets (bsc#945987).

  - CVE-2015-5745: Buffer overflow in virtio-serial     (bsc#940929).

  - CVE-2015-6855: hw/ide/core.c in QEMU did not properly     restrict the commands accepted by an ATAPI device, which     allowed guest users to cause a denial of service or     possibly have unspecified other impact via certain IDE     commands, as demonstrated by a WIN_READ_NATIVE_MAX     command to an empty drive, which triggers a     divide-by-zero error and instance crash (bsc#945404).

  - CVE-2015-7295: hw/virtio/virtio.c in the Virtual Network     Device (virtio-net) support in QEMU, when big or     mergeable receive buffers are not supported, allowed     remote attackers to cause a denial of service (guest     network consumption) via a flood of jumbo frames on the     (1) tuntap or (2) macvtap interface (bsc#947159).

  - CVE-2015-7549: PCI NULL pointer dereferences     (bsc#958917).

  - CVE-2015-8504: VNC floating point exception     (bsc#958491).

  - CVE-2015-8558: Infinite loop in ehci_advance_state     resulting in DoS (bsc#959005).

  - CVE-2015-8613: Wrong sized memset in megasas command     handler (bsc#961358).

  - CVE-2015-8619: Potential DoS for long HMP sendkey     command argument (bsc#960334).

  - CVE-2015-8743: OOB memory access in ne2000 ioport r/w     functions (bsc#960725).

  - CVE-2016-1568: AHCI use-after-free in aio port commands     (bsc#961332).

  - CVE-2016-1714: Potential OOB memory access in processing     firmware configuration (bsc#961691).

  - CVE-2016-1922: NULL pointer dereference when processing     hmp i/o command (bsc#962320).

  - CVE-2016-1981: Potential DoS (infinite loop) in e1000     device emulation by malicious privileged user within     guest (bsc#963782).

  - CVE-2016-2198: Malicious privileged guest user were able     to cause DoS by writing to read-only EHCI capabilities     registers (bsc#964413).

The update package also includes non-security fixes. See advisory for details.

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

According to the versions of the qemu-kvm packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

  - In libslirp 4.1.0, as used in QEMU 4.2.0, tcp_subr.c     misuses snprintf return values, leading to a buffer     overflow in later code.(CVE-2020-8608)

  - This vulnerability has been modified since it was last     analyzed by the NVD. It is awaiting reanalysis which     may result in further changes to the information     provided.(CVE-2019-11135)

  - tcp_emu in tcp_subr.c in libslirp 4.1.0, as used in     QEMU 4.2.0, mismanages memory, as demonstrated by IRC     DCC commands in EMU_IRC. This can cause a heap-based     buffer overflow or other out-of-bounds access which can     lead to a DoS or potential execute arbitrary     code.(CVE-2020-7039)

  - ip_reass in ip_input.c in libslirp 4.0.0 has a     heap-based buffer overflow via a large packet because     it mishandles a case involving the first     fragment.(CVE-2019-14378)

  - Integer overflow in the VNC display driver in QEMU     before 2.1.0 allows attachers to cause a denial of     service (process crash) via a CLIENT_CUT_TEXT message,     which triggers an infinite loop.(CVE-2015-5239)

  - Buffer overflow in the send_control_msg function in     hw/char/virtio-serial-bus.c in QEMU before 2.4.0 allows     guest users to cause a denial of service (QEMU process     crash) via a crafted virtio control     message.(CVE-2015-5745)

  - The ne2000_receive function in hw/net/ne2000.c in QEMU     before 2.4.0.1 allows attackers to cause a denial of     service (infinite loop and instance crash) or possibly     execute arbitrary code via vectors related to receiving     packets.(CVE-2015-5278)

  - The process_tx_desc function in hw/net/e1000.c in QEMU     before 2.4.0.1 does not properly process transmit     descriptor data when sending a network packet, which     allows attackers to cause a denial of service (infinite     loop and guest crash) via unspecified     vectors.(CVE-2015-6815)

  - Heap-based buffer overflow in the ne2000_receive     function in hw/net/ne2000.c in QEMU before 2.4.0.1     allows guest OS users to cause a denial of service     (instance crash) or possibly execute arbitrary code via     vectors related to receiving packets.(CVE-2015-5279)

  - Heap-based buffer overflow in the .receive callback of     xlnx.xps-ethernetlite in QEMU (aka Quick Emulator)     allows attackers to execute arbitrary code on the QEMU     host via a large ethlite packet.(CVE-2016-7161)

  - hw/net/vmxnet3.c in QEMU 2.0.0-rc0, 1.7.1, and earlier     allows local guest users to cause a denial of service     or possibly execute arbitrary code via vectors related     to (1) RX or (2) TX queue numbers or (3) interrupt     indices. NOTE: some of these details are obtained from     third party information.(CVE-2013-4544)

  - The slirp_smb function in net/slirp.c in QEMU 2.3.0 and     earlier creates temporary files with predictable names,     which allows local users to cause a denial of service     (instantiation failure) by creating /tmp/qemu-smb.*-*     files before the program.(CVE-2015-4037)

  - hw/ide/core.c in QEMU does not properly restrict the     commands accepted by an ATAPI device, which allows     guest users to cause a denial of service or possibly     have unspecified other impact via certain IDE commands,     as demonstrated by a WIN_READ_NATIVE_MAX command to an     empty drive, which triggers a divide-by-zero error and     instance crash.(CVE-2015-6855)

  - hw/virtio/virtio.c in the Virtual Network Device     (virtio-net) support in QEMU, when big or mergeable     receive buffers are not supported, allows remote     attackers to cause a denial of service (guest network     consumption) via a flood of jumbo frames on the (1)     tuntap or (2) macvtap interface.(CVE-2015-7295)

  - The MSI-X MMIO support in hw/pci/msix.c in QEMU (aka     Quick Emulator) allows local guest OS privileged users     to cause a denial of service (NULL pointer dereference     and QEMU process crash) by leveraging failure to define     the .write method.(CVE-2015-7549)

  - The eepro100 emulator in QEMU qemu-kvm blank allows     local guest users to cause a denial of service     (application crash and infinite loop) via vectors     involving the command block list.(CVE-2015-8345)

  - Qemu, when built with VNC display driver support,     allows remote attackers to cause a denial of service     (arithmetic exception and application crash) via     crafted SetPixelFormat messages from a     client.(CVE-2015-8504)

  - The ehci_process_itd function in hw/usb/hcd-ehci.c in     QEMU allows local guest OS administrators to cause a     denial of service (infinite loop and CPU consumption)     via a circular isochronous transfer descriptor (iTD)     list.(CVE-2015-8558)

  - Memory leak in net/vmxnet3.c in QEMU allows remote     attackers to cause a denial of service (memory     consumption).(CVE-2015-8567)

  - Memory leak in QEMU, when built with a VMWARE VMXNET3     paravirtual NIC emulator support, allows local guest     users to cause a denial of service (host memory     consumption) by trying to activate the vmxnet3 device     repeatedly.(CVE-2015-8568)

  - Stack-based buffer overflow in the     megasas_ctrl_get_info function in QEMU, when built with     SCSI MegaRAID SAS HBA emulation support, allows local     guest users to cause a denial of service (QEMU instance     crash) via a crafted SCSI controller CTRL_GET_INFO     command.(CVE-2015-8613)

  - Use-after-free vulnerability in hw/ide/ahci.c in QEMU,     when built with IDE AHCI Emulation support, allows     guest OS users to cause a denial of service (instance     crash) or possibly execute arbitrary code via an     invalid AHCI Native Command Queuing (NCQ) AIO     command.(CVE-2016-1568)

  - QEMU (aka Quick Emulator) built with the USB EHCI     emulation support is vulnerable to a null pointer     dereference flaw. It could occur when an application     attempts to write to EHCI capabilities registers. A     privileged user inside quest could use this flaw to     crash the QEMU process instance resulting in     DoS.(CVE-2016-2198)

  - The ohci_bus_start function in the USB OHCI emulation     support (hw/usb/hcd-ohci.c) in QEMU allows local guest     OS administrators to cause a denial of service (NULL     pointer dereference and QEMU process crash) via vectors     related to multiple eof_timers.(CVE-2016-2391)

  - The is_rndis function in the USB Net device emulator     (hw/usb/dev-network.c) in QEMU before 2.5.1 does not     properly validate USB configuration descriptor objects,     which allows local guest OS administrators to cause a     denial of service (NULL pointer dereference and QEMU     process crash) via vectors involving a remote NDIS     control message packet.(CVE-2016-2392)

  - Multiple integer overflows in the USB Net device     emulator (hw/usb/dev-network.c) in QEMU before 2.5.1     allow local guest OS administrators to cause a denial     of service (QEMU process crash) or obtain sensitive     host memory information via a remote NDIS control     message packet that is mishandled in the (1)     rndis_query_response, (2) rndis_set_response, or (3)     usb_net_handle_dataout function.(CVE-2016-2538)

  - The ne2000_receive function in the NE2000 NIC emulation     support (hw/net/ne2000.c) in QEMU before 2.5.1 allows     local guest OS administrators to cause a denial of     service (infinite loop and QEMU process crash) via     crafted values for the PSTART and PSTOP registers,     involving ring buffer control.(CVE-2016-2841)

  - QEMU, when built with the Pseudo Random Number     Generator (PRNG) back-end support, allows local guest     OS users to cause a denial of service (process crash)     via an entropy request, which triggers arbitrary stack     based allocation and memory corruption.(CVE-2016-2858)

  - Buffer overflow in the stellaris_enet_receive function     in hw/net/stellaris_enet.c in QEMU, when the Stellaris     ethernet controller is configured to accept large     packets, allows remote attackers to cause a denial of     service (QEMU crash) via a large packet.(CVE-2016-4001)

  - Buffer overflow in the mipsnet_receive function in     hw/net/mipsnet.c in QEMU, when the guest NIC is     configured to accept large packets, allows remote     attackers to cause a denial of service (memory     corruption and QEMU crash) or possibly execute     arbitrary code via a packet larger than 1514     bytes.(CVE-2016-4002)

  - The ehci_advance_state function in hw/usb/hcd-ehci.c in     QEMU allows local guest OS administrators to cause a     denial of service (infinite loop and CPU consumption)     via a circular split isochronous transfer descriptor     (siTD) list, a related issue to     CVE-2015-8558.(CVE-2016-4037)

  - The vmsvga_fifo_run function in hw/display/vmware_vga.c     in QEMU allows local guest OS administrators to cause a     denial of service (infinite loop and QEMU process     crash) via a VGA command.(CVE-2016-4453)

  - The vmsvga_fifo_read_raw function in     hw/display/vmware_vga.c in QEMU allows local guest OS     administrators to obtain sensitive host memory     information or cause a denial of service (QEMU process     crash) by changing FIFO registers and issuing a VGA     command, which triggers an out-of-bounds     read.(CVE-2016-4454)

  - The net_tx_pkt_do_sw_fragmentation function in     hw/net/net_tx_pkt.c in QEMU (aka Quick Emulator) allows     local guest OS administrators to cause a denial of     service (infinite loop and QEMU process crash) via a     zero length for the current fragment     length.(CVE-2016-6834)

  - The vmxnet_tx_pkt_parse_headers function in     hw/net/vmxnet_tx_pkt.c in QEMU (aka Quick Emulator)     allows local guest OS administrators to cause a denial     of service (buffer over-read) by leveraging failure to     check IP header length.(CVE-2016-6835)

  - The vmxnet3_complete_packet function in     hw/net/vmxnet3.c in QEMU (aka Quick Emulator) allows     local guest OS administrators to obtain sensitive host     memory information by leveraging failure to initialize     the txcq_descr object.(CVE-2016-6836)

  - Integer overflow in the net_tx_pkt_init function in     hw/net/net_tx_pkt.c in QEMU (aka Quick Emulator) allows     local guest OS administrators to cause a denial of     service (QEMU process crash) via the maximum     fragmentation count, which triggers an unchecked     multiplication and NULL pointer     dereference.(CVE-2016-6888)

  - Directory traversal vulnerability in hw/9pfs/9p.c in     QEMU (aka Quick Emulator) allows local guest OS     administrators to access host files outside the export     path via a .. (dot dot) in an unspecified     string.(CVE-2016-7116)

  - The pvscsi_ring_pop_req_descr function in     hw/scsi/vmw_pvscsi.c in QEMU (aka Quick Emulator)     allows local guest OS administrators to cause a denial     of service (infinite loop and QEMU process crash) by     leveraging failure to limit process IO loop to the ring     size.(CVE-2016-7421)

  - The mcf_fec_do_tx function in hw/net/mcf_fec.c in QEMU     (aka Quick Emulator) does not properly limit the buffer     descriptor count when transmitting packets, which     allows local guest OS administrators to cause a denial     of service (infinite loop and QEMU process crash) via     vectors involving a buffer descriptor with a length of     0 and crafted values in bd.flags.(CVE-2016-7908)

  - The pcnet_rdra_addr function in hw/net/pcnet.c in QEMU     (aka Quick Emulator) allows local guest OS     administrators to cause a denial of service (infinite     loop and QEMU process crash) by setting the (1) receive     or (2) transmit descriptor ring length to     0.(CVE-2016-7909)

  - The xhci_ring_fetch function in hw/usb/hcd-xhci.c in     QEMU (aka Quick Emulator) allows local guest OS     administrators to cause a denial of service (infinite     loop and QEMU process crash) by leveraging failure to     limit the number of link Transfer Request Blocks (TRB)     to process.(CVE-2016-8576)

  - The serial_update_parameters function in     hw/char/serial.c in QEMU (aka Quick Emulator) allows     local guest OS administrators to cause a denial of     service (divide-by-zero error and QEMU process crash)     via vectors involving a value of divider greater than     baud base.(CVE-2016-8669)

  - The intel_hda_xfer function in hw/audio/intel-hda.c in     QEMU (aka Quick Emulator) allows local guest OS     administrators to cause a denial of service (infinite     loop and CPU consumption) via an entry with the same     value for buffer length and pointer     position.(CVE-2016-8909)

  - The rtl8139_cplus_transmit function in hw/net/rtl8139.c     in QEMU (aka Quick Emulator) allows local guest OS     administrators to cause a denial of service (infinite     loop and CPU consumption) by leveraging failure to     limit the ring descriptor count.(CVE-2016-8910)

  - Memory leak in the v9fs_xattrcreate function in     hw/9pfs/9p.c in QEMU (aka Quick Emulator) allows local     guest OS administrators to cause a denial of service     (memory consumption and QEMU process crash) via a large     number of Txattrcreate messages with the same fid     number.(CVE-2016-9102)

  - The v9fs_xattrcreate function in hw/9pfs/9p.c in QEMU     (aka Quick Emulator) allows local guest OS     administrators to obtain sensitive host heap memory     information by reading xattribute values before writing     to them.(CVE-2016-9103)

  - Multiple integer overflows in the (1) v9fs_xattr_read     and (2) v9fs_xattr_write functions in hw/9pfs/9p.c in     QEMU (aka Quick Emulator) allow local guest OS     administrators to cause a denial of service (QEMU     process crash) via a crafted offset, which triggers an     out-of-bounds access.(CVE-2016-9104)

  - Memory leak in the v9fs_link function in hw/9pfs/9p.c     in QEMU (aka Quick Emulator) allows local guest OS     administrators to cause a denial of service (memory     consumption) via vectors involving a reference to the     source fid object.(CVE-2016-9105)

  - Memory leak in the v9fs_write function in hw/9pfs/9p.c     in QEMU (aka Quick Emulator) allows local guest OS     administrators to cause a denial of service (memory     consumption) by leveraging failure to free an IO     vector.(CVE-2016-9106)

  - Race condition in QEMU in Xen allows local x86 HVM     guest OS administrators to gain privileges by changing     certain data on shared rings, aka a 'double fetch'     vulnerability.(CVE-2016-9381)

  - Quick Emulator (Qemu) built with the USB redirector     usb-guest support is vulnerable to a memory leakage     flaw. It could occur while destroying the USB     redirector in 'usbredir_handle_destroy'. A guest     user/process could use this issue to leak host memory,     resulting in DoS for a host.(CVE-2016-9907)

  - Quick Emulator (Qemu) built with the USB EHCI Emulation     support is vulnerable to a memory leakage issue. It     could occur while processing packet data in     'ehci_init_transfer'. A guest user/process could use     this issue to leak host memory, resulting in DoS for a     host.(CVE-2016-9911)

  - Stack-based buffer overflow in hw/usb/redirect.c in     QEMU (aka Quick Emulator) allows local guest OS users     to cause a denial of service (QEMU process crash) via     vectors related to logging debug     messages.(CVE-2017-10806)

  - The dhcp_decode function in slirp/bootp.c in QEMU (aka     Quick Emulator) allows local guest OS users to cause a     denial of service (out-of-bounds read and QEMU process     crash) via a crafted DHCP options     string.(CVE-2017-11434)

  - Integer overflow in the macro ROUND_UP (n, d) in Quick     Emulator (Qemu) allows a user to cause a denial of     service (Qemu process crash).(CVE-2017-18043)

  - Memory leak in the serial_exit_core function in     hw/char/serial.c in QEMU (aka Quick Emulator) allows     local guest OS privileged users to cause a denial of     service (host memory consumption and QEMU process     crash) via a large number of device unplug     operations.(CVE-2017-5579)

  - The xhci_kick_epctx function in hw/usb/hcd-xhci.c in     QEMU (aka Quick Emulator) allows local guest OS     privileged users to cause a denial of service (infinite     loop and QEMU process crash) via vectors related to     control transfer descriptor sequence.(CVE-2017-5973)

  - Memory leak in the audio/audio.c in QEMU (aka Quick     Emulator) allows remote attackers to cause a denial of     service (memory consumption) by repeatedly starting and     stopping audio capture.(CVE-2017-8309)

  - Memory leak in QEMU (aka Quick Emulator), when built     with IDE AHCI Emulation support, allows local guest OS     privileged users to cause a denial of service (memory     consumption) by repeatedly hot-unplugging the AHCI     device.(CVE-2017-9373)

  - Memory leak in QEMU (aka Quick Emulator), when built     with USB EHCI Emulation support, allows local guest OS     privileged users to cause a denial of service (memory     consumption) by repeatedly hot-unplugging the     device.(CVE-2017-9374)

  - Qemu emulator <= 3.0.0 built with the NE2000 NIC     emulation support is vulnerable to an integer overflow,     which could lead to buffer overflow issue. It could     occur when receiving packets over the network. A user     inside guest could use this flaw to crash the Qemu     process resulting in DoS.(CVE-2018-10839)

  - qemu-seccomp.c in QEMU might allow local OS guest users     to cause a denial of service (guest crash) by     leveraging mishandling of the seccomp policy for     threads other than the main thread.(CVE-2018-15746)

  - Qemu has a Buffer Overflow in rtl8139_do_receive in     hw/net/rtl8139.c because an incorrect integer data type     is used.(CVE-2018-17958)

  - qemu_deliver_packet_iov in net/net.c in Qemu accepts     packet sizes greater than INT_MAX, which allows     attackers to cause a denial of service or possibly have     unspecified other impact.(CVE-2018-17963)

  - In QEMU 3.0.0, tcp_emu in slirp/tcp_subr.c has a     heap-based buffer overflow.(CVE-2019-6778)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

ID	名前	製品	ファミリー	公開日	更新日	深刻度
88630	Debian DSA-3471-1 : qemu - security update	Nessus	Debian Local Security Checks	2016/2/9	2021/1/11	critical
90186	SUSE SLED12 / SLES12 Security Update : xen (SUSE-SU-2016:0873-1)	Nessus	SuSE Local Security Checks	2016/3/25	2021/1/6	critical
91249	SUSE SLED12 / SLES12 Security Update : xen (SUSE-SU-2016:1318-1)	Nessus	SuSE Local Security Checks	2016/5/19	2021/1/6	critical
93169	SUSE SLES11 Security Update : kvm (SUSE-SU-2016:1698-1)	Nessus	SuSE Local Security Checks	2016/8/29	2021/1/19	critical
135559	EulerOS 2.0 SP3 : qemu-kvm (EulerOS-SA-2020-1430)	Nessus	Huawei Local Security Checks	2020/4/15	2024/3/18	critical

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