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-8255-1 advisory.

    Stonejiajia, Shir Tamari and Sagi Tzadik discovered that the OverlayFS implementation in the Ubuntu Linux     kernel did not properly perform permission checks in certain situations. A local attacker could possibly     use this to gain elevated privileges. (CVE-2023-2640)

    Shir Tamari and Sagi Tzadik discovered that the OverlayFS implementation in the Ubuntu Linux kernel did     not properly perform permission checks in certain situations. A local attacker could possibly use this to     gain elevated privileges. (CVE-2023-32629)

    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:

    - Network drivers;

    - NVME drivers; (CVE-2026-23112, CVE-2026-23273)

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-8255-1)

critical Nessus Plugin ID 314212

Version 1.4

Version 1.3

Version 1.2

Version 1.1

Version 1.4 Jun 12, 2026, 7:27 AM Detection (updated detection logic) Plugin Feed: 202606120727
Version 1.3 Jun 3, 2026, 4:54 PM Detection (updated detection logic) Plugin metadata Plugin Feed: 202606031654
Version 1.2 May 12, 2026, 8:32 AM Exploit attributes ("Exploit framework core" set to "True") Exploit attributes ("Exploited by malware" set to "True") Plugin Feed: 202605120832
Version 1.1 May 12, 2026, 2:22 AM New Plugin Feed: 202605120222