CVE-2026-53197

CVE-2026-53197 affects the Linux kernel xfrm/iptfs path. The bug is an ABBA deadlock: iptfs_destroy_state() cancels an hrtimer while holding a spinlock that the timer callback also tries to acquire. The output timer (iptfs_timer) path holds x->lock before cancel, while the timer callback (iptf...

PT-2026-52293

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An ABBA deadlock occurs in the xfrm iptfs component within the iptfs destroy state function on SMP systems. The issue arises when iptfs destroy state calls hrtimer cancel while holding a...