01 Record
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
UnratedPUBLISHEDCNA: redhat
CNA base scoreUnratedNo CNA CVSS vector
02 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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 0.97% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 61.6% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- Important. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2010-01-19 16:00Z16 YR AGO
- Last updated
- 2024-08-07 06:54Z2 YR AGO
- Reserved
- 2009-12-01
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- 92bb3e7682a686cfe48feea745033382c5c5e4a86156792146f0e626633b260e
05 Affected products
VendorProductVersionsPlatforms
06 References
- www.kernel.orghttp://www.kernel.org/pub/linux/kernel/v2.6/snapshots/patch-2.6.33-rc4-git1.bz2
- oval.cisecurity.orgoval:org.mitre.oval:def:9201https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9201
- www.securityfocus.com37806http://www.securityfocus.com/bid/37806
- twitter.comhttp://twitter.com/taviso/statuses/7744108017
- support.avaya.comhttp://support.avaya.com/css/P8/documents/100073666
- git.kernel.orghttp://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=53281b6d34d44308372d16acb7fb5327609f68b6
- archives.neohapsis.com20100114 Locked fasync file descriptors can be referenced after free in >= 2.6.28http://archives.neohapsis.com/archives/fulldisclosure/2010-01/0252.html
- oval.cisecurity.orgoval:org.mitre.oval:def:7054https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7054
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=547906
- secunia.com39033http://secunia.com/advisories/39033
- lock.cmpxchg8b.comhttp://lock.cmpxchg8b.com/5ebe2294ecd0e0f08eab7690d2a6ee69/create_elf_tables.c
- secunia.com38199http://secunia.com/advisories/38199
- rhn.redhat.comRHSA-2010:0095https://rhn.redhat.com/errata/RHSA-2010-0095.html
- rhn.redhat.comRHSA-2010:0046https://rhn.redhat.com/errata/RHSA-2010-0046.html
- lists.opensuse.orgSUSE-SA:2010:010http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00002.html
- www.redhat.comRHSA-2010:0161http://www.redhat.com/support/errata/RHSA-2010-0161.html