CVE-2023-6931
HIGH 7.8EPSS 0.7%
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.
- CVSS v3.1
- 7.0 HIGH
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS v3.1
- 7.8 HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - EPSS
- 0.71% chance of exploitation in the next 30 days, 51th percentile
- Published
- 2023-12-19
- Updated
- 2026-08-17
Proof-of-concept exploits (1)
- K0n9-log/CVE-2023-69312★ · 2025-01-06