CVEvulnerability
CVE-2021-38200
5.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2021-08-08
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 2.1 LOW — AV:L/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-476
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.
Affected configurations
• linux linux kernel (< 5.12.13)
Related
Weakness · CWE (1)
- CWE-476 NULL Pointer Dereference weakness
References
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.13 Mailing List, Patch, Vendor Advisory
- https://github.com/torvalds/linux/commit/60b7ed54a41b550d50caf7f2418db4a7e75b5bdc Patch, Third Party Advisory
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.13 Mailing List, Patch, Vendor Advisory
- https://github.com/torvalds/linux/commit/60b7ed54a41b550d50caf7f2418db4a7e75b5bdc Patch, Third Party Advisory