CVE-2023-3268: Debian Linux

High severity, CVSS 7.1. EPSS: 0.5% chance of exploitation in the next 30 days.

An out of bounds (OOB) memory access flaw was found in the Linux kernel in relay_file_read_start_pos in kernel/relay.c in the relayfs. This flaw could allow a local attacker to crash the system or leak kernel internal information.

Affected products

• Debian Debian Linux: version 10.0 only; version 11.0 only; version 12.0 only
• Linux Linux Kernel: from 2.6.22, before 4.19.283 (fixed in 4.19.283); from 4.20, before 5.4.243 (fixed in 5.4.243); from 5.5, before 5.10.180 (fixed in 5.10.180); from 5.11, before 5.15.111 (fixed in 5.15.111); from 5.16, before 6.1.28 (fixed in 6.1.28); from 6.2, before 6.2.15 (fixed in 6.2.15); …

Published 2023-06-16. Last modified 2026-09-01.