High severity7.8NVD Advisory· Published Dec 19, 2023· Updated May 12, 2026
CVE-2023-6931
CVE-2023-6931
Description
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.
Affected products
1Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
8- git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/nvdMailing ListPatch
- kernel.dance/382c27f4ed28f803b1f1473ac2d8db0afc795a1bnvdPatch
- lists.debian.org/debian-lts-announce/2024/01/msg00004.htmlnvdMailing ListThird Party Advisory
- lists.debian.org/debian-lts-announce/2024/01/msg00005.htmlnvdMailing ListThird Party Advisory
- cert-portal.siemens.com/productcert/html/ssa-265688.htmlnvd
- cert-portal.siemens.com/productcert/html/ssa-398330.htmlnvd
- cert-portal.siemens.com/productcert/html/ssa-613116.htmlnvd
- cert-portal.siemens.com/productcert/html/ssa-794697.htmlnvd
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