CVE-2009-2407

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.