CVE-2009-4141
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...
- Published
- Jan 19, 2010
- Updated
- Aug 7, 2024
- Assigning CNA
- redhat
- Evidence observed
- Dec 16, 2009
Primary CVSS
nvd · CVSS 2.0
AV:L/AC:L/Au:N/C:C/I:C/A:CLow · next 30 days
- Percentile
- 59.9%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
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.
Sources
1Tavis Ormandy · linux · Dec 16, 2009
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