Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: Bridge: stp – Fixed a potential use-after-free when deleting a bridge. The three STP timers should not be armed while the bridge is administratively down. They are synchronously deactivated when the bridge is put administratively...

SUSE-SU-2026:4190-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 11 SP4 kernel was updated to fix various security issues: The following security issues were fixed: - CVE-2026-46116: xfrm: defensively unhash xfrmstate lists in xfrmstatedelete bsc1267369. - CVE-2026-52955: libceph: Fix potential out-of-bounds access in crushdecode...

CVE-2026-72389

A flaw was found in the Linux kernel's bridge Spanning Tree Protocol STP module. A missing check in the brtopologychangedetection function allows a topology change timer to be armed while a bridge is administratively down. This can be exploited by an attacker to trigger a use-after-free...

SUSE CVE-2026-72389

In the Linux kernel, the following vulnerability has been resolved: bridge: stp: Fix a potential use-after-free when deleting a bridge The three STP timers are not supposed to be armed while the bridge is administratively down. They are synchronously deactivated when the bridge is put...