CVE-2026-43402 kthread: consolidate kthread exit paths to prevent use-after-free

In the Linux kernel, the following vulnerability has been resolved: kthread: consolidate kthread exit paths to prevent use-after-free Guillaume reported crashes via corrupted RCU callback function pointers during KUnit testing. The crash was traced back to the pidfs rhashtable conversion which...

PT-2026-39063

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists in the kthread component. When a kthread exits via make task dead, it bypasses kthread exit, causing the affinity node cleanup to be missed. Consequently,...