Name of the Vulnerable Software and Affected Versions: Linux Kernel versions v5.14 through v5.14.14

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 v5.14 through v5.14.14, update to version v5.14.15 or later to resolve the issue.