CVE-2024-46713
HIGH severity · CVSS 7.8 · Out-of-bounds write
7.8CVSS HIGH
Summary
In the Linux kernel, the following vulnerability has been resolved: perf/aux: Fix AUX buffer serialization Ole reported that event->mmap_mutex is strictly insufficient to serialize the AUX buffer, add a per RB mutex to fully serialize it. Note that in the lock order comment the perf_event::mmap_mutex order was already wrong, that is, it nesting under mmap_lock is not new with this patch.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://git.kernel.org/stable/c/2ab9d830262c132ab5db2f571003d80850d56b2a ↗
Additional information
- NVD record
- https://git.kernel.org/stable/c/2ab9d830262c132ab5db2f571003d80850d56b2aPatch
- https://git.kernel.org/stable/c/52d13d224fdf1299c8b642807fa1ea14d693f5ffPatch
- https://git.kernel.org/stable/c/7882923f1cb88dc1a17f2bf0c81b1fc80d44db82Patch
- https://git.kernel.org/stable/c/9dc7ad2b67772cfb94ceb3b0c9c4023c2463215dPatch
- https://git.kernel.org/stable/c/b9b6882e243b653d379abbeaa64a500182aba370Patch
- https://git.kernel.org/stable/c/c4b69bee3f4ef76809288fe6827bc14d4ae788efPatch
- https://lists.debian.org/debian-lts-announce/2024/10/msg00003.html
- https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html