The remote Ubuntu 20.04 LTS / 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-8493-1 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:

    - RISC-V architecture;

    - Cryptographic API;

    - InfiniBand drivers;

    - IOMMU subsystem;

    - Network drivers;

    - STMicroelectronics network drivers;

    - NVME drivers;

    - x86 platform drivers;

    - SCSI subsystem;

    - SPI subsystem;

    - TCM subsystem;

    - USB over IP driver;

    - File systems infrastructure;

    - HFS+ file system;

    - Network file system (NFS) server daemon;

    - SMB network file system;

    - IPv6 networking;

    - Tracing infrastructure;

    - Timer subsystem;

    - B.A.T.M.A.N. meshing protocol;

    - Bluetooth subsystem;

    - Ethernet bridge;

    - Ceph Core library;

    - IPv4 networking;

    - MAC80211 subsystem;

    - Multipath TCP;

    - Netfilter;

    - RxRPC session sockets;

    - SMC sockets;

    - Sun RPC protocol;

    - X.25 network layer;

    - AMD SoC Alsa drivers;

    - KVM subsystem; (CVE-2022-48816, CVE-2023-53673, CVE-2025-37778, CVE-2025-37822, CVE-2025-37924,     CVE-2025-38201, CVE-2025-40082, CVE-2025-68214, CVE-2025-68263, CVE-2025-71089, CVE-2025-71220,     CVE-2025-71222, CVE-2025-71224, CVE-2026-23176, CVE-2026-23180, CVE-2026-23182, CVE-2026-23190,     CVE-2026-23193, CVE-2026-23198, CVE-2026-23202, CVE-2026-23206, CVE-2026-23216, CVE-2026-23256,     CVE-2026-23257, CVE-2026-23258, CVE-2026-23262, CVE-2026-23272, CVE-2026-23278, CVE-2026-23428,     CVE-2026-23450, CVE-2026-23455, CVE-2026-31402, CVE-2026-31418, CVE-2026-31478, CVE-2026-31607,     CVE-2026-31637, CVE-2026-31649, CVE-2026-31657, CVE-2026-31659, CVE-2026-31668, CVE-2026-31669,     CVE-2026-31682, CVE-2026-31685, CVE-2026-43011, CVE-2026-43037, CVE-2026-43038, CVE-2026-43071,     CVE-2026-43114, CVE-2026-43117, CVE-2026-43186, CVE-2026-43304, CVE-2026-43341, CVE-2026-43383,     CVE-2026-43406, CVE-2026-43407, CVE-2026-43414, CVE-2026-43493, CVE-2026-43501, CVE-2026-45988,     CVE-2026-46043, CVE-2026-46119, CVE-2026-46135, CVE-2026-46195, CVE-2026-46243)

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.

Detections

Analytics

Ubuntu 20.04 LTS / 22.04 LTS : Linux kernel vulnerabilities (USN-8493-1)

high Nessus Plugin ID 325006

Version 1.3

Version 1.2

Version 1.1

Version 1.3 Oct 6, 2026, 7:18 PM Detection (removed incorrect Ubuntu Pro subscription notice on Ubuntu 22.04 hosts running standard kernels) Plugin Feed: 202610061918
Version 1.2 Jul 30, 2026, 11:45 AM CVSS temporal metrics ("CVSSv2 temporal vector" set to "CVSS2#E:H/RL:OF/RC:C") Exploit attributes ("Exploited by malware" set to "True") CVSS temporal metrics ("CVSSv3 temporal vector" set to "CVSS:3.0/E:H/RL:O/RC:C") Plugin Feed: 202607301145
Version 1.1 Jul 4, 2026, 4:43 PM New Plugin Feed: 202607041643