Medium severity5.5NVD Advisory· Published Aug 8, 2021· Updated Jun 17, 2026
CVE-2021-38200
CVE-2021-38200
Description
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.
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Affected products
2- Linux/Linux kerneldescription
- Range: <5.12.13
Patches
Vulnerability mechanics
References
2- cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.13nvdMailing ListPatchVendor Advisory
- github.com/torvalds/linux/commit/60b7ed54a41b550d50caf7f2418db4a7e75b5bdcnvdPatchThird Party Advisory
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