CVE-2023-3269: Fedoraproject Fedora

High severity, CVSS 7.8. EPSS: 1.3% chance of exploitation in the next 30 days.

A vulnerability exists in the memory management subsystem of the Linux kernel. The lock handling for accessing and updating virtual memory areas (VMAs) is incorrect, leading to use-after-free problems. This issue can be successfully exploited to execute arbitrary kernel code, escalate containers, and gain root privileges.

Affected products

• Fedoraproject Fedora: version 37 only; version 38 only
• Linux Linux Kernel: from 6.1, before 6.1.37 (fixed in 6.1.37); from 6.2, before 6.3.11 (fixed in 6.3.11); version 6.4 only
• Red Hat Enterprise Linux: version 6.0 only; version 7.0 only; version 8.0 only; version 9.0 only

Published 2023-07-11. Last modified 2026-06-17.