VULNERABILITY INTELLIGENCE

CVE-2009-4141

CVSS score7.2 NONE
EPSS probability0.97%
CISA KEVNot currently listed
Published2010-01-19
Last modified2026-06-16
CVSS vectorAV:L/AC:L/Au:N/C:C/I:C/A:C

Description

Use-after-free vulnerability in the fasync_helper function in fs/fcntl.c in the Linux kernel before 2.6.33-rc4-git1 allows local users to gain privileges via vectors that include enabling O_ASYNC (aka FASYNC or FIOASYNC) on a locked file, and then closing this file.

Weakness classification

  • nvd@nist.gov: CWE-399

Primary references