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arch/powerpc/perf/core-book3s.c in the Linux kernel before 5.12.13 on systems with perf_event_paranoid=-1 and no specific PMU driver support registered allows local users to cause a denial of service (perf_instruction_pointer NULL pointer dereference and OOPS) via a "perf record" command.

🗓️ 13 Aug 2021 07:00:00Reported by MicrosoftType 
mscve
 mscve
🔗 msrc.microsoft.com👁 2 Views

Local DoS via perf record on PowerPC due to NULL pointer dereference when perf_event_paranoid is -1 and no PMU driver (pre 5.12.13).

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16 Dec 2021 08:00Current
8.8High risk
Vulners AI Score8.8
CVSS 22.1
CVSS 3.15.5
EPSS0.00042
2