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: wifi: mac80211: consume only present     negotiated TTLM maps ieee80211_tid_to_link_map_size_ok() validates negotiated TTLM elements against the     number of link-map entries indicated by link_map_presence. ieee80211_parse_neg_ttlm() must consume the     same layout. The parser advanced its cursor for every TID, including TIDs whose presence bit is clear and     therefore have no map bytes in the element. A sparse map can then make a later present TID read past the     validated element. The bad bytes land in neg_ttlm->{up,down}link[tid] but are gated by valid_links before     being applied to driver state, so a peer cannot turn the read into a policy change. Under KUnit + KASAN     with an exact-sized element allocation the OOB read is reported as a slab-out-of-bounds; whether the same     trigger fires under the production RX path depends on surrounding allocator state. Advance the cursor only     when the current TID has a map present. (CVE-2026-64223)

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

An update of the linux package has been released.

ID	Name	Product	Family	Published	Updated	Severity
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	8/26/2026	high
330185	Linux Distros Unpatched Vulnerability : CVE-2026-64223	Nessus	Misc.	7/27/2026	9/7/2026	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	9/7/2026	high
318773	Photon OS 5.0: Linux PHSA-2026-5.0-0864	Nessus	PhotonOS Local Security Checks	6/5/2026	8/26/2026	high
335080	openSUSE 16: cluster-md-kmp-64kb / cluster-md-kmp-azure / cluster-md-kmp-default / etc (openSUSE-SU-2026:21555-1)	Nessus	SuSE Local Security Checks	8/13/2026	9/7/2026	high
333944	Photon OS 5.0: Linux PHSA-2026-5.0-92-0864	Nessus	PhotonOS Local Security Checks	8/10/2026	8/24/2026	high
340045	Ubuntu 26.04 LTS : Linux kernel (NVIDIA BaseOS) vulnerabilities (USN-8664-1)	Nessus	Ubuntu Local Security Checks	8/26/2026	8/26/2026	high
341024	SUSE SLED15: cluster-md-kmp-default / dlm-kmp-default / gfs2-kmp-default / etc (SUSE-SU-2026:3790-1)	Nessus	SuSE Local Security Checks	8/27/2026	8/29/2026	high

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