CVE-2011-3638: Linux Kernel

Medium severity, CVSS 4.0. EPSS: 0.4% chance of exploitation in the next 30 days.

fs/ext4/extents.c in the Linux kernel before 3.0 does not mark a modified extent as dirty in certain cases of extent splitting, which allows local users to cause a denial of service (system crash) via vectors involving ext4 umount and mount operations.

Affected products

• Linux Linux Kernel: before 3.0 (fixed in 3.0)

Published 2013-03-01. Last modified 2026-06-16.