Name of the Vulnerable Software and Affected Versions Linux Kernel versions v5.15.17 through v5.15.18

Description The issue is related to the powerpc/perf component of the Linux Kernel. It involves a problem with the power pmu disable function, which fails to properly call clear pmi irq pending when PMI is not pending. The actual impact and potential for attack have not been proven yet.

Recommendations For Linux Kernel versions v5.15.17 through v5.15.18, update to version v5.15.19 or later to resolve the issue.