Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v5.14.15

Description The issue is related to the powerpc/smp component, specifically concerning the handling of the idle task preempt count during CPU offline operations. The actual impact and potential for exploitation have not been fully determined.

Recommendations For Linux Kernel versions prior to v5.14.15, update to version v5.14.15 or later to resolve the issue.