VULNERABILITY INTELLIGENCE

CVE-2009-2406

CVSS score6.9 MEDIUM
EPSS probability0.50%
CISA KEVNot currently listed
Published2009-07-31
Last modified2026-06-16
CVSS vectorAV:L/AC:M/Au:N/C:C/I:C/A:C

Description

Stack-based buffer overflow in the parse_tag_11_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 not ensuring that the key signature length in a Tag 11 packet is compatible with the key signature buffer size.

Weakness classification

  • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer

Primary references