The remote Ubuntu 18.04 LTS / 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7294-2 advisory.

    Several security issues were discovered in the Linux kernel. An attacker could possibly use these to     compromise the system. This update corrects flaws in the following subsystems:

    - ARM64 architecture;

    - Block layer subsystem;

    - ACPI drivers;

    - Drivers core;

    - ATA over ethernet (AOE) driver;

    - TPM device driver;

    - GPIO subsystem;

    - GPU drivers;

    - HID subsystem;

    - I2C subsystem;

    - InfiniBand drivers;

    - Mailbox framework;

    - Multiple devices driver;

    - Media drivers;

    - Network drivers;

    - NTB driver;

    - Virtio pmem driver;

    - Parport drivers;

    - PCI subsystem;

    - SPI subsystem;

    - Direct Digital Synthesis drivers;

    - USB Device Class drivers;

    - USB Dual Role (OTG-ready) Controller drivers;

    - USB Serial drivers;

    - USB Type-C support driver;

    - Framebuffer layer;

    - BTRFS file system;

    - Ceph distributed file system;

    - Ext4 file system;

    - F2FS file system;

    - File systems infrastructure;

    - JFS file system;

    - Network file system (NFS) client;

    - Network file system (NFS) server daemon;

    - NILFS2 file system;

    - SMB network file system;

    - Network traffic control;

    - Network sockets;

    - TCP network protocol;

    - BPF subsystem;

    - Perf events;

    - Arbitrary resource management;

    - Timer substystem drivers;

    - Tracing infrastructure;

    - Closures library;

    - Memory management;

    - Amateur Radio drivers;

    - Bluetooth subsystem;

    - Ethernet bridge;

    - CAN network layer;

    - Networking core;

    - IPv4 networking;

    - IPv6 networking;

    - MAC80211 subsystem;

    - Netfilter;

    - Netlink;

    - SCTP protocol;

    - TIPC protocol;

    - Wireless networking;

    - XFRM subsystem;

    - Key management;

    - FireWire sound drivers;

    - AudioScience HPI driver;

    - Amlogic Meson SoC drivers;

    - KVM core; (CVE-2024-53063, CVE-2024-50236, CVE-2024-47699, CVE-2024-50044, CVE-2024-49877,     CVE-2024-47692, CVE-2024-50116, CVE-2024-47679, CVE-2024-50134, CVE-2024-50045, CVE-2024-50301,     CVE-2024-40965, CVE-2024-47684, CVE-2024-49944, CVE-2024-43863, CVE-2024-50059, CVE-2024-50007,     CVE-2024-49973, CVE-2024-50251, CVE-2024-47674, CVE-2024-49982, CVE-2024-50143, CVE-2024-49883,     CVE-2024-49851, CVE-2024-44931, CVE-2024-49949, CVE-2024-47747, CVE-2024-46853, CVE-2024-50233,     CVE-2024-49924, CVE-2024-50033, CVE-2024-50024, CVE-2024-49995, CVE-2024-47737, CVE-2024-50194,     CVE-2024-47712, CVE-2024-50273, CVE-2024-50229, CVE-2024-49896, CVE-2024-50199, CVE-2024-50202,     CVE-2024-49868, CVE-2024-50035, CVE-2024-50184, CVE-2024-49882, CVE-2024-49962, CVE-2024-50299,     CVE-2024-35887, CVE-2024-50287, CVE-2024-50265, CVE-2024-50148, CVE-2024-47757, CVE-2024-47742,     CVE-2024-49902, CVE-2024-50302, CVE-2024-50096, CVE-2024-49952, CVE-2024-50099, CVE-2024-49963,     CVE-2024-49900, CVE-2024-46731, CVE-2024-50131, CVE-2024-47723, CVE-2024-50237, CVE-2024-50269,     CVE-2024-50142, CVE-2024-49867, CVE-2024-49985, CVE-2024-47670, CVE-2024-50008, CVE-2024-49938,     CVE-2024-49878, CVE-2024-49955, CVE-2024-53104, CVE-2024-49894, CVE-2024-50039, CVE-2024-50279,     CVE-2024-50006, CVE-2024-40953, CVE-2024-50180, CVE-2024-49860, CVE-2024-50117, CVE-2024-47701,     CVE-2024-47698, CVE-2024-50171, CVE-2024-50151, CVE-2024-50082, CVE-2024-50290, CVE-2024-49975,     CVE-2024-49903, CVE-2024-38544, CVE-2024-50218, CVE-2024-49948, CVE-2024-50282, CVE-2024-49965,     CVE-2024-49959, CVE-2024-42252, CVE-2024-47749, CVE-2024-47756, CVE-2024-47672, CVE-2024-50127,     CVE-2024-46854, CVE-2024-50230, CVE-2024-41066, CVE-2024-49957, CVE-2024-47713, CVE-2023-52458,     CVE-2024-50167, CVE-2024-49997, CVE-2024-47685, CVE-2024-49879, CVE-2024-53059, CVE-2024-53101,     CVE-2024-49958, CVE-2024-47710, CVE-2024-47706, CVE-2024-50074, CVE-2024-50296, CVE-2024-49892,     CVE-2024-46849, CVE-2024-50205, CVE-2024-50168, CVE-2024-50267, CVE-2024-50262, CVE-2024-47709,     CVE-2024-50195, CVE-2024-35896, CVE-2024-47696, CVE-2024-47740, CVE-2024-40911, CVE-2024-49966,     CVE-2021-47469, CVE-2024-49981, CVE-2024-50234, CVE-2024-50179, CVE-2024-47697, CVE-2024-50150,     CVE-2023-52917, CVE-2024-50040, CVE-2024-53061, CVE-2024-50278, CVE-2024-47671, CVE-2024-53066,     CVE-2024-41016)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - ocfs2: remove entry once instead of null-ptr-dereference in ocfs2_xa_remove() Syzkaller is able to provoke     null-ptr-dereference in ocfs2_xa_remove(): [ 57.319872] (a.out,1161,7):ocfs2_xa_remove:2028 ERROR: status     = -12 [ 57.320420] (a.out,1161,7):ocfs2_xa_cleanup_value_truncate:1999 ERROR: Partial truncate while     removing xattr overlay.upper. Leaking 1 clusters and removing the entry [ 57.321727] BUG: kernel NULL     pointer dereference, address: 0000000000000004 [...] [ 57.325727] RIP:
    0010:ocfs2_xa_block_wipe_namevalue+0x2a/0xc0 [...] [ 57.331328] Call Trace: [ 57.331477] <TASK> [...] [     57.333511] ? do_user_addr_fault+0x3e5/0x740 [ 57.333778] ? exc_page_fault+0x70/0x170 [ 57.334016] ?     asm_exc_page_fault+0x2b/0x30 [ 57.334263] ? __pfx_ocfs2_xa_block_wipe_namevalue+0x10/0x10 [ 57.334596] ?     ocfs2_xa_block_wipe_namevalue+0x2a/0xc0 [ 57.334913] ocfs2_xa_remove_entry+0x23/0xc0 [ 57.335164]     ocfs2_xa_set+0x704/0xcf0 [ 57.335381] ? _raw_spin_unlock+0x1a/0x40 [ 57.335620] ?     ocfs2_inode_cache_unlock+0x16/0x20 [ 57.335915] ? trace_preempt_on+0x1e/0x70 [ 57.336153] ?     start_this_handle+0x16c/0x500 [ 57.336410] ? preempt_count_sub+0x50/0x80 [ 57.336656] ?
    _raw_read_unlock+0x20/0x40 [ 57.336906] ? start_this_handle+0x16c/0x500 [ 57.337162]     ocfs2_xattr_block_set+0xa6/0x1e0 [ 57.337424] __ocfs2_xattr_set_handle+0x1fd/0x5d0 [ 57.337706] ?     ocfs2_start_trans+0x13d/0x290 [ 57.337971] ocfs2_xattr_set+0xb13/0xfb0 [ 57.338207] ? dput+0x46/0x1c0 [     57.338393] ocfs2_xattr_trusted_set+0x28/0x30 [ 57.338665] ? ocfs2_xattr_trusted_set+0x28/0x30 [ 57.338948]
    __vfs_removexattr+0x92/0xc0 [ 57.339182] __vfs_removexattr_locked+0xd5/0x190 [ 57.339456] ?     preempt_count_sub+0x50/0x80 [ 57.339705] vfs_removexattr+0x5f/0x100 [...] Reproducer uses faultinject     facility to fail ocfs2_xa_remove() -> ocfs2_xa_value_truncate() with -ENOMEM. In this case the comment     mentions that we can return 0 if ocfs2_xa_cleanup_value_truncate() is going to wipe the entry anyway. But     the following 'rc' check is wrong and execution flow do 'ocfs2_xa_remove_entry(loc);' twice: * 1st: in     ocfs2_xa_cleanup_value_truncate(); * 2nd: returning back to ocfs2_xa_remove() instead of going to 'out'.
    Fix this by skipping the 2nd removal of the same entry and making syzkaller repro happy. (CVE-2024-50265)

Note that Nessus relies on the presence of the package as reported by the vendor.

ID	名前	製品	ファミリー	公開日	更新日	深刻度
216920	Ubuntu 18.04 LTS / 20.04 LTS : Linux kernel vulnerabilities (USN-7294-2)	Nessus	Ubuntu Local Security Checks	2025/2/27	2026/1/6	critical
231396	Linux Distros Unpatched Vulnerability : CVE-2024-50265	Nessus	Misc.	2025/3/6	2026/11/13	medium

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critical

medium