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 via vectors that include enabling O_ASYNC (aka FASYNC or FIOASYNC) on a locked file, and then closing this file.
- EPSS
- 1.0% chance of exploitation in the next 30 days; higher than 61% of CVEs (scores of 2026-10-31)
- CWE
- CWE-399
- Published
- Modified
- Record from
- the NVD, synced
Affected
- linux:linux_kernel
References
- http://archives.neohapsis.com/archives/fulldisclosure/2010-01/0252.html
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=53281b6d34d44308372d16acb7fb5327609f68b6
- http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00002.html
- http://lock.cmpxchg8b.com/5ebe2294ecd0e0f08eab7690d2a6ee69/create_elf_tables.c
- http://secunia.com/advisories/38199