CVE-2023-6560: Linux Kernel

Medium severity, CVSS 5.5. EPSS: 0.3% chance of exploitation in the next 30 days.

An out-of-bounds memory access flaw was found in the io_uring SQ/CQ rings functionality in the Linux kernel. This issue could allow a local user to crash the system.

Affected products

• Linux Linux Kernel: up to and including 6.6; version 6.7 only

Published 2023-12-09. Last modified 2026-06-17.