Important: kernel6.12

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: landlock: Fix handling of disconnected directories CVE-2025-68736 In the Linux kernel, the following vulnerability has been resolved: arm64/fpsimd: signal: Fix restoration of SVE context CVE-2026-23102 In the Linu...

CVE-2026-31406

A flaw was found in the Linux kernel, specifically within its xfrm IP eXtensible FRamework component. This vulnerability arises from a race condition during network cleanup, where a scheduled task natkeepalivework can be re-activated and attempt to operate on memory that has already been freed...

CVE-2026-31406

In the Linux kernel, the following vulnerability has been resolved: xfrm: Fix work re-schedule after cancel in xfrmnatkeepalivenetfini After canceldelayedworksync is called from xfrmnatkeepalivenetfini, xfrmstatefini flushes remaining states via xfrmstatedelete, which calls...

UBUNTU-CVE-2026-31406

In the Linux kernel, the following vulnerability has been resolved: xfrm: Fix work re-schedule after cancel in xfrmnatkeepalivenetfini After canceldelayedworksync is called from xfrmnatkeepalivenetfini, xfrmstatefini flushes remaining states via xfrmstatedelete, which calls...

CVE-2026-31406

In the Linux kernel, the following vulnerability has been resolved: xfrm: Fix work re-schedule after cancel in xfrmnatkeepalivenetfini After canceldelayedworksync is called from xfrmnatkeepalivenetfini, xfrmstatefini flushes remaining states via xfrmstatedelete, which calls...

CVE-2026-31406 xfrm: Fix work re-schedule after cancel in xfrm_nat_keepalive_net_fini()

In the Linux kernel, the following vulnerability has been resolved: xfrm: Fix work re-schedule after cancel in xfrmnatkeepalivenetfini After canceldelayedworksync is called from xfrmnatkeepalivenetfini, xfrmstatefini flushes remaining states via xfrmstatedelete, which calls...

CVE-2026-31406

In the Linux kernel, the following vulnerability has been resolved: xfrm: Fix work re-schedule after cancel in xfrmnatkeepalivenetfini After canceldelayedworksync is called from xfrmnatkeepalivenetfini, xfrmstatefini flushes remaining states via xfrmstatedelete, which calls...

PT-2026-30574

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw within the xfrm subsystem related to the handling of delayed work cancellation in xfrm nat keepalive net fini. Specifically, the use of cancel delayed wo...

Linux Distros Unpatched Vulnerability : CVE-2026-31406

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - xfrm: Fix work re-schedule after cancel in xfrmnatkeepalivenetfini After canceldelayedworksync is called from xfrmnatkeepalivenetfini, xfrmstatefini flushes...

CVE-2026-31406

In the Linux kernel, the following vulnerability has been resolved: xfrm: Fix work re-schedule after cancel in xfrmnatkeepalivenetfini After canceldelayedworksync is called from xfrmnatkeepalivenetfini, xfrmstatefini flushes remaining states via xfrmstatedelete, which calls...

High CPU load on a Windows Server 2012 R2-based server because NAT keep-alive timer isn't cleaned up

High CPU load on a Windows Server 2012 R2-based server because NAT keep-alive timer isn't cleaned up This article describes an issue in which high CPU load occurs on a Windows Server 2012 R2-based server. Before you install this update, see the Prerequisites section. Symptoms Assume that a VPN...