CVE-2009-4141

HIGH · CVSS 7.2 EPSS 0.98%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2010-01-19 · Last synced 2026-08-04

Field Assessment

AI analysis pending.

CVE

CVE-2009-4141

Severity

HIGH

CVSS

7.2

EPSS

0.98%

Linux

Original Filing — NVD 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.