A heap out-of-bounds write vulnerability in the Linux kernel's Performance Events system component can be exploited to achieve local privilege escalation. A perf_event's read_size can overflow, leading to an heap out-of-bounds increment or write in perf_read_group(). We recommend upgrading past commit 382c27f4ed28f803b1f1473ac2d8db0afc795a1b.
Fix
Public exploits 2
- K0n9-log/CVE-2023-6931 PoC on GitHub
- Yutori-Natsu/cve-2023-6931-pipa PoC on GitHub
Each line links to the index that lists it, never to exploit code. Exploit-DB's "verified" and a Metasploit rank of good or better count as verified; a PoC-in-GitHub entry is a repository's claim.
Patch, vendor advisory and mitigation references on NVD 4
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=382c27f4ed28f803b1f1473ac2d8db0afc795a1b Mailing List, Patch
- https://kernel.dance/382c27f4ed28f803b1f1473ac2d8db0afc795a1b Patch
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=382c27f4ed28f803b1f1473ac2d8db0afc795a1b Mailing List, Patch
- https://kernel.dance/382c27f4ed28f803b1f1473ac2d8db0afc795a1b Patch
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 7.0 · linux, debianNVD modified 2026-10-14 23:17
Affected (CPE criteria) 2
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
References 12
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=382c27f4ed28f803b1f1473ac2d8db0afc795a1b Mailing List, Patch
- https://kernel.dance/382c27f4ed28f803b1f1473ac2d8db0afc795a1b Patch
- https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2024/01/msg00005.html Mailing List, Third Party Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=382c27f4ed28f803b1f1473ac2d8db0afc795a1b Mailing List, Patch
- https://kernel.dance/382c27f4ed28f803b1f1473ac2d8db0afc795a1b Patch
- https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2024/01/msg00005.html Mailing List, Third Party Advisory
- https://cert-portal.siemens.com/productcert/html/ssa-265688.html
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html
- https://cert-portal.siemens.com/productcert/html/ssa-613116.html
- https://cert-portal.siemens.com/productcert/html/ssa-794697.html