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

  - In the Linux kernel, the following vulnerability has been resolved: selinux: fix avdcache auditing The     per-task avdcache was incorrectly saving and reusing the audited vector computed by avc_audit_required()     rather than recomputing based on the currently requested permissions and distinguishing the denied versus     allowed cases. As a result, some permission checks were not being audited, e.g. directory write checks     after a previously cached directory search check. [PM: line wrap tweaks] (CVE-2026-53367)

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

ID	Name	Product	Family	Published	Updated	Severity
328181	Linux Distros Unpatched Vulnerability : CVE-2026-53367	Nessus	Misc.	7/20/2026	9/23/2026	medium
340681	Ubuntu 24.04 LTS / 26.04 LTS / Pro Realtime 24.04 LTS : Linux kernel (NVIDIA) vulnerabilities (USN-8663-1)	Nessus	Ubuntu Local Security Checks	8/26/2026	9/24/2026	high
343532	Ubuntu 24.04 LTS / Pro Realtime 24.04 LTS : Linux kernel (GCP) vulnerabilities (USN-8728-1)	Nessus	Ubuntu Local Security Checks	9/7/2026	9/24/2026	high
316975	Amazon Linux 2023 : bpftool6.18, kernel6.18, kernel6.18-devel (ALAS2023-2026-1754)	Nessus	Amazon Linux Local Security Checks	5/27/2026	7/31/2026	high
340045	Ubuntu 26.04 LTS : Linux kernel (NVIDIA BaseOS) vulnerabilities (USN-8664-1)	Nessus	Ubuntu Local Security Checks	8/26/2026	9/23/2026	high

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