CVE-2009-2407: Linux Kernel

Medium severity, CVSS 6.9. EPSS: 0.6% chance of exploitation in the next 30 days.

Heap-based buffer overflow in the parse_tag_3_packet function in fs/ecryptfs/keystore.c in the eCryptfs subsystem in the Linux kernel before 2.6.30.4 allows local users to cause a denial of service (system crash) or possibly gain privileges via vectors involving a crafted eCryptfs file, related to a large encrypted key size in a Tag 3 packet.

Affected products

• Linux Linux Kernel: up to and including 2.6.30.3; version 2.6.0 only; version 2.6.1 only; version 2.6.2 only; version 2.6.3 only; version 2.6.4 only; …

Published 2009-07-31. Last modified 2026-06-16.