Security update for the Linux Kernel (Live Patch 55 for SUSE Linux Enterprise 15 SP4)

This update for the SUSE Linux Enterprise Kernel 5.14.21-150400.24.222 fixes various security issues The following security issues were fixed: CVE-2026-46120: ip6gre: Use cached t-net in ip6erspanchangelink bsc1267893. CVE-2026-46173: exit: prevent preemption of oopsing TASKDEAD task bsc1267723...

CVE-2026-46173 exit: prevent preemption of oopsing TASK_DEAD task

In the Linux kernel, the following vulnerability has been resolved: exit: prevent preemption of oopsing TASKDEAD task When an already-exiting task oopses, maketaskdead currently calls dotaskdead with preemption enabled. That is forbidden: dotaskdead calls schedule, which has a comment saying...

CVE-2026-46173: Out-of-bounds Write

In the Linux kernel, the following vulnerability has been resolved: exit: prevent preemption of oopsing TASKDEAD task When an already-exiting task oopses, maketaskdead currently calls dotaskdead with preemption enabled. That is forbidden: dotaskdead calls schedule, which has a comment saying...