CVE-2009-4141
23Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendepss 1.0%
from disclosure to weapon0 days
Published on NVDJan 19
1st PoCDec 16
exploitation probability
1.0%top 41% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
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.
Affected products
n/a · n/apublic PoCs found — 1✓ VexDay Proof
exploitdb✓ VexDay Proofwww.exploit-db.com/exploits/33523⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
References
http://archives.neohapsis.com/archives/fulldisclosure/2010-01/0252.htmlhttp://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=53281b6d34d44308372d16acb7fb5327609f68b6http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00002.htmlhttp://lock.cmpxchg8b.com/5ebe2294ecd0e0f08eab7690d2a6ee69/create_elf_tables.chttps://bugzilla.redhat.com/show_bug.cgi?id=547906http://secunia.com/advisories/38199http://secunia.com/advisories/39033https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7054https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9201https://rhn.redhat.com/errata/RHSA-2010-0046.htmlhttps://rhn.redhat.com/errata/RHSA-2010-0095.htmlhttp://support.avaya.com/css/P8/documents/100073666