CVE-2012-4508: Linux Kernel

Low severity, CVSS 1.9. EPSS: 0.3% chance of exploitation in the next 30 days.

Race condition in fs/ext4/extents.c in the Linux kernel before 3.4.16 allows local users to obtain sensitive information from a deleted file by reading an extent that was not properly marked as uninitialized.

Affected products

• Linux Linux Kernel: up to and including 3.4.15; version 3.0 only; version 3.0.1 only; version 3.0.2 only; version 3.0.3 only; version 3.0.4 only; …

Published 2012-12-21. Last modified 2026-06-16.