CVE-2024-50019 kthread: unpark only parked kthread

In the Linux kernel, the following vulnerability has been resolved: kthread: unpark only parked kthread Calling into kthread unparking unconditionally is mostly harmless when the kthread is already unparked. The wake up is then simply ignored because the target is not in TASKPARKED state. However...

PT-2024-33859

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 6.6.58 Description: The issue arises when calling kthread stop on an unparked per-cpu kthread, triggering a warning due to the kthread bind function expecting the task to be inactive and in TASK PARKED state. Th...