PT-2026-128131

In the Linux kernel, the following vulnerability has been resolved: tcp: fix use-after-free in do tcp getsockoptTCP CC INFO do tcp getsockopt reads icsk-icsk ca ops and dereferences the get info function pointer without rcu read lock. With BPF struct ops congestion control, ca ops can point to...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-146618)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-146618 advisory. In the Linux kernel, the following vulnerability has been resolved: net: kcm: Hold RCU read lock while running BPF parser kcmparsefuncstrparser calls...

Astra Linux – vulnerability in linux-6.1, linux-6.12

In the Linux kernel, the following vulnerability has been resolved: security/keys: fix missed RCU read section on lookup Nicholas Carlini reports that the keyring code calls assocarrayfind in findkeytoupdate without holding the RCU read lock, while the assocarraygc code is actually designed to...

PT-2026-117006

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix missing migration protection in rhtab map lookup and delete batch bpf mem cache free rcu uses this cpu ptr which requires migration to be disabled. All callers of rhtab delete elem disable migration except rhtab map look...

PT-2026-128426

In the Linux kernel, the following vulnerability has been resolved: tcp: Skip cond resched in inet csk listen stop under BPF context bpf sock destroy runs from the tcp iterator, under rcu read lock. If the sock is a listener that still has children in its accept queue, tcp abort ends up in inet c...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mctp: Route lookups now perform under a RCU read-side lock. Our current route lookups mctproutelookup and mctproutelookupnull traverse the network’s route list without holding the RCU read lock. This means that the route lookups...

Astra Linux – vulnerability in linux, linux-5.10, linux-5.15, linux-6.1

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: use timestamp to check for set element timeout Add a timestamp field at the beginning of the transaction, store it in the nftables per-netns area. Update set backend .insert, .deactivate and sync gc path to u...

CVE-2026-90143

A flaw was found in the Linux kernel's KCM Kernel Connection Multiplexer component. The kcmparsefuncstrparser function, which runs a BPF Berkeley Packet Filter parser, does not properly hold an RCU Read-Copy-Update read lock. This oversight can lead to BPF map operations triggering a warning,...

PT-2026-115766

In the Linux kernel, the following vulnerability has been resolved: net: bridge: mst: move switchdev call outside rcu This is a follow-up of one of sashiko's pre-existing bug reports. br mst set state calls switchdev port attr set for nonzero MSTIs while holding rcu read lock which invokes the...

SUSE CVE-2026-97971

In the Linux kernel, the following vulnerability has been resolved: nstree: check listing permission before taking a namespace reference legitimizens takes a reference on the candidate namespace before maylistns has decided whether the caller may see it. The freensput cleanup on the denied path c...

CVE-2026-97971

In the Linux kernel, the following vulnerability has been resolved: nstree: check listing permission before taking a namespace reference legitimizens takes a reference on the candidate namespace before maylistns has decided whether the caller may see it. The freensput cleanup on the denied path c...

DEBIAN-CVE-2026-97971

In the Linux kernel, the following vulnerability has been resolved: nstree: check listing permission before taking a namespace reference legitimizens takes a reference on the candidate namespace before maylistns has decided whether the caller may see it. The freensput cleanup on the denied path c...

UBUNTU-CVE-2026-97971

In the Linux kernel, the following vulnerability has been resolved: nstree: check listing permission before taking a namespace reference legitimizens takes a reference on the candidate namespace before maylistns has decided whether the caller may see it. The freensput cleanup on the denied path c...

CVE-2026-97971

The Linux kernel is vulnerable to a race condition where legitimize_ns() takes a reference on a candidate namespace before may_list_ns() determines if the caller has permission to see it. This can lead to the __free(ns_put) cleanup dropping the last reference to a mount namespace while holding an...

EUVD-2026-86825

In the Linux kernel, the following vulnerability has been resolved: nstree: check listing permission before taking a namespace reference legitimizens takes a reference on the candidate namespace before maylistns has decided whether the caller may see it. The freensput cleanup on the denied path c...

CVE-2026-97971 nstree: check listing permission before taking a namespace reference

In the Linux kernel, the following vulnerability has been resolved: nstree: check listing permission before taking a namespace reference legitimizens takes a reference on the candidate namespace before maylistns has decided whether the caller may see it. The freensput cleanup on the denied path c...

CVE-2026-97971 nstree: check listing permission before taking a namespace reference

In the Linux kernel, the following vulnerability has been resolved: nstree: check listing permission before taking a namespace reference legitimizens takes a reference on the candidate namespace before maylistns has decided whether the caller may see it. The freensput cleanup on the denied path c...

CVE-2026-97971

In the Linux kernel, the following vulnerability has been resolved: nstree: check listing permission before taking a namespace reference legitimizens takes a reference on the candidate namespace before maylistns has decided whether the caller may see it. The freensput cleanup on the denied path c...

CVE-2026-97971: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: nstree: check listing permission before taking a namespace reference legitimizens takes a reference on the candidate namespace before maylistns has decided whether the caller may see it. The freensput cleanup on the denied path c...

PT-2026-98635

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the nstree component where the legitimize ns function takes a reference to a candidate namespace before the may list ns function determines if the caller has permissio...