CVE-2024-38630 watchdog: cpu5wdt.c: Fix use-after-free bug caused by cpu5wdt_trigger

In the Linux kernel, the following vulnerability has been resolved: watchdog: cpu5wdt.c: Fix use-after-free bug caused by cpu5wdttrigger When the cpu5wdt module is removing, the origin code uses deltimer to de-activate the timer. If the timer handler is running, deltimer could not stop it and wil...

CVE-2024-38630

The CVE-2024-38630 issue affects Linux kernel watchdog code (watchdog: cpu5wdt.c) where del_timer() may fail to stop a running timer during module removal, allowing a use-after-free when a released port region is accessed by cpu5wdt_trigger(). The vulnerability is mitigated by switching the timer...