CVE-2009-1336: Linux Kernel

Medium severity, CVSS 4.9. EPSS: 0.4% chance of exploitation in the next 30 days.

fs/nfs/client.c in the Linux kernel before 2.6.23 does not properly initialize a certain structure member that stores the maximum NFS filename length, which allows local users to cause a denial of service (OOPS) via a long filename, related to the encode_lookup function.

Affected products

• Linux Linux Kernel: up to and including 2.6.22.19; version 2.6 only; version 2.6.0 only; version 2.6.1 only; version 2.6.2 only; version 2.6.10 only; …

Published 2009-04-22. Last modified 2026-06-16.