CVE-2009-4141
Vulnerability Summary
Timeline
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.
CVSS Metrics
- v2.0•HIGH•Score: 7.2AV:L/AC:L/Au:N/C:C/I:C/A:C
EPSS Trends
Current EPSS score: 0.11%• Percentile: 29%
Techniques & Countermeasures
- CWE-399•Resource Management Errors
Weaknesses in this category are related to improper management of system resources.
Affected Systems
- linux•linux_kernel
≤ 2.6.33 | 2.6.0 | 2.6.1 | 2.6.2 | 2.6.3 | 2.6.4 | 2.6.5 | 2.6.6 | 2.6.7 | 2.6.8 | 2.6.8.1 | 2.6.9 | 2.6.10 | 2.6.11 | 2.6.11.1 | 2.6.11.2 | 2.6.11.3 | 2.6.11.4 | 2.6.11.5 | 2.6.11.6 | 2.6.11.7 | 2.6.11.8 | 2.6.11.9 | 2.6.11.10 | 2.6.11.11 | 2.6.11.12 | 2.6.12 | 2.6.12.1 | 2.6.12.2 | 2.6.12.3 | 2.6.12.4 | 2.6.12.5 | 2.6.12.6 | 2.6.13 | 2.6.13.1 | 2.6.13.2 | 2.6.13.3 | 2.6.13.4 | 2.6.13.5 | 2.6.14 | 2.6.14.1 | 2.6.14.3 | 2.6.14.4 | 2.6.14.5 | 2.6.14.6 | 2.6.14.7 | 2.6.15 | 2.6.15.1 | 2.6.15.2 | 2.6.15.3 | 2.6.15.4 | 2.6.15.5 | 2.6.15.6 | 2.6.15.7 | 2.6.16 | 2.6.16.1 | 2.6.16.2 | 2.6.16.3 | 2.6.16.4 | 2.6.16.5 | 2.6.16.6 | 2.6.16.7 | 2.6.16.8 | 2.6.16.9 | 2.6.16.10 | 2.6.16.11 | 2.6.16.12 | 2.6.16.13 | 2.6.16.14 | 2.6.16.15 | 2.6.16.16 | 2.6.16.17 | 2.6.16.18 | 2.6.16.19 | 2.6.16.20 | 2.6.16.21 | 2.6.16.22 | 2.6.16.23 | 2.6.16.24 | 2.6.16.25 | 2.6.16.26 | 2.6.16.27 | 2.6.16.28 | 2.6.16.29 | 2.6.16.30 | 2.6.16.31 | 2.6.17 | 2.6.17.1 | 2.6.17.2 | 2.6.17.3 | 2.6.17.4 | 2.6.17.5 | 2.6.17.6 | 2.6.17.7 | 2.6.17.8 | 2.6.17.9 | 2.6.17.10 | 2.6.17.11 | 2.6.17.12 | 2.6.17.13 | 2.6.17.14 | 2.6.18.1 | 2.6.18.2 | 2.6.18.3 | 2.6.18.4 | 2.6.18.5 | 2.6.18.6 | 2.6.18.7 | 2.6.18.8 | 2.6.22 | 2.6.22.2 | 2.6.22.3 | 2.6.22.4 | 2.6.22.5 | 2.6.22.6 | 2.6.22.7 | 2.6.23 | 2.6.23:rc1 | 2.6.23:rc2 | 2.6.23.1 | 2.6.23.2 | 2.6.23.3 | 2.6.23.4 | 2.6.23.5 | 2.6.23.6 | 2.6.23.7 | 2.6.24:rc1 | 2.6.24:rc2 | 2.6.24:rc3 | 2.6.24:rc4 | 2.6.24:rc5 | 2.6.32 | 2.6.32.1 | 2.6.32.2 | 2.6.32.3 | 2.6.32.4 | 2.6.33:rc1 | 2.6.33:rc2 | 2.6.33:rc3
References (16)
- http://www.kernel.org/pub/linux/kernel/v2.6/snapshots/patch-2.6.33-rc4-git1.bz2
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9201
- http://www.securityfocus.com/bid/37806
- http://twitter.com/taviso/statuses/7744108017
- http://support.avaya.com/css/P8/documents/100073666
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=53281b6d34d44308372d16acb7fb5327609f68b6
- http://archives.neohapsis.com/archives/fulldisclosure/2010-01/0252.html
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7054
- https://bugzilla.redhat.com/show_bug.cgi?id=547906
- http://secunia.com/advisories/39033
- http://lock.cmpxchg8b.com/5ebe2294ecd0e0f08eab7690d2a6ee69/create_elf_tables.c
- http://secunia.com/advisories/38199
- https://rhn.redhat.com/errata/RHSA-2010-0095.html
- https://rhn.redhat.com/errata/RHSA-2010-0046.html
- http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00002.html
- http://www.redhat.com/support/errata/RHSA-2010-0161.html