Some vulnerabilities were discovered and corrected in the Linux 2.6 kernel :

The 2.6.17 kernel and earlier, when running on IA64 and SPARC platforms would allow a local user to cause a DoS (crash) via a malformed ELF file (CVE-2006-4538).

The mincore function in the Linux kernel did not properly lock access to user space, which has unspecified impact and attack vectors, possibly related to a deadlock (CVE-2006-4814).

An unspecified vulnerability in the listxattr system call, when a 'bad inode' is present, could allow a local user to cause a DoS (data corruption) and possibly gain privileges via unknown vectors (CVE-2006-5753).

The zlib_inflate function allows local users to cause a crash via a malformed filesystem that uses zlib compression that triggers memory corruption (CVE-2006-5823).

The ext3fs_dirhash function could allow local users to cause a DoS (crash) via an ext3 stream with malformed data structures (CVE-2006-6053).

When SELinux hooks are enabled, the kernel could allow a local user to cause a DoS (crash) via a malformed file stream that triggers a NULL pointer derefernece (CVE-2006-6056).

The key serial number collision avoidance code in the key_alloc_serial function in kernels 2.6.9 up to 2.6.20 allows local users to cause a crash via vectors thatr trigger a null dereference (CVE-2007-0006).

The Linux kernel version 2.6.13 to 2.6.20.1 allowed a remote attacker to cause a DoS (oops) via a crafted NFSACL2 ACCESS request that triggered a free of an incorrect pointer (CVE-2007-0772).

A local user could read unreadable binaries by using the interpreter (PT_INTERP) functionality and triggering a core dump; a variant of CVE-2004-1073 (CVE-2007-0958).

The provided packages are patched to fix these vulnerabilities. All users are encouraged to upgrade to these updated kernels immediately and reboot to effect the fixes.

In addition to these security fixes, other fixes have been included such as :

  - add PCI IDs for cciss driver (HP ML370G5 / DL360G5)

    - fixed a mssive SCSI reset on megasas (Dell PE2960)

    - increased port-reset completion delay for HP       controllers (HP ML350)

    - NUMA rnage fixes for x86_64

    - various netfilter fixes

To update your kernel, please follow the directions located at :

http://www.mandriva.com/en/security/kernelupdate

Updated to kernel 2.6.19.5-rc1 plus additional fixes :

http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.19.4

2.6.19.5-rc1: 4 V4L fixes 3 usbaudio fixes 3 wireless driver fixes 2 IDE driver cable detection fixes NFS bugfix various other fixes

CVE-2007-0772: Summary: The Linux kernel before 2.6.20.1 allows remote attackers to cause a denial of service (oops) via a crafted NFSACL 2 ACCESS request that triggers a free of an incorrect pointer.

CVE-2006-5753: Summary: Unspecified vulnerability in the listxattr system call in Linux kernel, when a 'bad inode' is present, allows local users to cause a denial of service (data corruption) and possibly gain privileges via unknown vectors.

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

Updated to kernel 2.6.19.5 plus additional fixes :

http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.19.4 http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.19.5

CVE-2007-0772: Summary: The Linux kernel before 2.6.20.1 allows remote attackers to cause a denial of service (oops) via a crafted NFSACL 2 ACCESS request that triggers a free of an incorrect pointer.

CVE-2006-5753: Summary: Unspecified vulnerability in the listxattr system call in Linux kernel, when a 'bad inode' is present, allows local users to cause a denial of service (data corruption) and possibly gain privileges via unknown vectors. 

Fixed broken SCSI CDROM IOCTLs. Added Xen, which was missing from 1.2911.6.3

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

Some vulnerabilities were discovered and corrected in the Linux 2.6 kernel :

When SELinux hooks are enabled, the kernel could allow a local user to cause a DoS (crash) via a malformed file stream that triggers a NULL pointer derefernece (CVE-2006-6056).

Multiple buffer overflows in the (1) read and (2) write handlers in the Omnikey CardMan 4040 driver in the Linux kernel before 2.6.21-rc3 allow local users to gain privileges. (CVE-2007-0005)

The Linux kernel version 2.6.13 to 2.6.20.1 allowed a remote attacker to cause a DoS (oops) via a crafted NFSACL2 ACCESS request that triggered a free of an incorrect pointer (CVE-2007-0772).

A local user could read unreadable binaries by using the interpreter (PT_INTERP) functionality and triggering a core dump; a variant of CVE-2004-1073 (CVE-2007-0958).

The ipv6_getsockopt_sticky function in net/ipv6/ipv6_sockglue.c in the Linux kernel before 2.6.20.2 allows local users to read arbitrary kernel memory via certain getsockopt calls that trigger a NULL dereference. (CVE-2007-1000)

Buffer overflow in the bufprint function in capiutil.c in libcapi, as used in Linux kernel 2.6.9 to 2.6.20 and isdn4k-utils, allows local users to cause a denial of service (crash) and possibly gain privileges via a crafted CAPI packet. (CVE-2007-1217)

The do_ipv6_setsockopt function in net/ipv6/ipv6_sockglue.c in Linux kernel 2.6.17, and possibly other versions, allows local users to cause a denial of service (oops) by calling setsockopt with the IPV6_RTHDR option name and possibly a zero option length or invalid option value, which triggers a NULL pointer dereference.
(CVE-2007-1388)

net/ipv6/tcp_ipv6.c in Linux kernel 2.4 and 2.6.x up to 2.6.21-rc3 inadvertently copies the ipv6_fl_socklist from a listening TCP socket to child sockets, which allows local users to cause a denial of service (OOPS) or double-free by opening a listeing IPv6 socket, attaching a flow label, and connecting to that socket. (CVE-2007-1592)

The provided packages are patched to fix these vulnerabilities. All users are encouraged to upgrade to these updated kernels immediately and reboot to effect the fixes.

In addition to these security fixes, other fixes have been included such as :

  - Suspend to disk speed improvements

    - Add nmi watchdog support for core2

    - Add atl1 driver

    - Update KVM

    - Add acer_acpi

    - Update asus_acpi

    - Fix suspend on r8169, i8259A

    - Fix suspend when using ondemand governor

    - Add ide acpi support

    - Add suspend/resume support for sata_nv chipsets.

    - USB: Let USB-Serial option driver handle anydata       devices (#29066)

    - USB: Add PlayStation 2 Trance Vibrator driver

    - Fix bogus delay loop in video/aty/mach64_ct.c

    - Add MCP61 support (#29398)

    - USB: fix floppy drive SAMSUNG SFD-321U/EP detected 8       times bug

    - Improve keyboard handling on Apple MacBooks

    - Add -latest patch

    - Workaround a possible binutils bug in smp alternatives

    - Add forcedeth support

    - Fix potential deadlock in driver core (USB hangs at       boot time #24683)

To update your kernel, please follow the directions located at :

http://www.mandriva.com/en/security/kernelupdate

This kernel update fixes the following security problems :

  - CVE-2006-5751: An integer overflow in the networking     bridge ioctl starting with Kernel 2.6.7 could be used by     local attackers to overflow kernel memory buffers and     potentially escalate privileges [#222656]

  - CVE-2006-6106: Multiple buffer overflows in the     cmtp_recv_interopmsg function in the Bluetooth driver     (net/bluetooth/cmtp/capi.c) in the Linux kernel allowed     remote attackers to cause a denial of service (crash)     and possibly execute arbitrary code via CAPI messages     with a large value for the length of the (1) manu     (manufacturer) or (2) serial (serial number) field.
    [#227603]

  - CVE-2006-5749: The isdn_ppp_ccp_reset_alloc_state     function in drivers/isdn/isdn_ppp.c in the Linux kernel     does not call the init_timer function for the ISDN PPP     CCP reset state timer, which has unknown attack vectors     and results in a system crash. [#229619]

  - CVE-2006-5753: Unspecified vulnerability in the     listxattr system call in Linux kernel, when a 'bad     inode' is present, allows local users to cause a denial     of service (data corruption) and possibly gain     privileges. [#230270]

  - CVE-2007-0006: The key serial number collision avoidance     code in the key_alloc_serial function allows local users     to cause a denial of service (crash) via vectors that     trigger a null dereference. [#243003]

  - CVE-2007-0772: A remote denial of service problem on     NFSv2 mounts with ACL enabled was fixed. [#244909]

Furthermore, it catches up to the mainline kernel, version 2.6.18.8, and contains a large number of additional fixes for non security bugs.

The kernel key management code did not correctly handle key reuse. A local attacker could create many key requests, leading to a denial of service. (CVE-2007-0006)

The kernel NFS code did not correctly validate NFSACL2 ACCESS requests. If a system was serving NFS mounts, a remote attacker could send a specially crafted packet, leading to a denial of service.
(CVE-2007-0772)

When dumping core, the kernel did not correctly handle PT_INTERP processes. A local attacker could create situations where they could read the contents of otherwise unreadable executable programs.
(CVE-2007-0958).

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu 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
24810	Mandrake Linux Security Advisory : kernel (MDKSA-2007:060)	Nessus	Mandriva Local Security Checks	2007/3/12	2021/1/6	high
24766	Fedora Core 5 : kernel-2.6.19-1.2288.2.1.fc5 (2007-277)	Nessus	Fedora Local Security Checks	2007/3/6	2021/1/11	high
24767	Fedora Core 6 : kernel-2.6.19-1.2911.6.4.fc6 (2007-291)	Nessus	Fedora Local Security Checks	2007/3/6	2021/1/11	high
24944	Mandrake Linux Security Advisory : kernel (MDKSA-2007:078)	Nessus	Mandriva Local Security Checks	2007/4/5	2021/1/6	high
27293	openSUSE 10 Security Update : kernel (kernel-2705)	Nessus	SuSE Local Security Checks	2007/10/17	2021/1/14	high
28048	Ubuntu 6.06 LTS / 6.10 : linux-source-2.6.15/2.6.17 vulnerabilities (USN-451-1)	Nessus	Ubuntu Local Security Checks	2007/11/10	2021/1/19	high

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