U.S. flag   An official website of the United States government
Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Https

Secure .gov websites use HTTPS
A lock (Dot gov) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2009-4141 Detail

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.


Evaluator Description

Per: http://cwe.mitre.org/data/definitions/416.html CWE-416: Use After Free

Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

Vendor Statements (disclaimer)

Official Statement from Red Hat (01/21/2010)

This issue did not affect the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 3, 4 and Red Hat Enterprise MRG. Shipped kernels do not include upstream commit 233e70f4 that introduced the problem. It was addressed in Red Hat Enterprise Linux 5 via https://rhn.redhat.com/errata/RHSA-2010-0046.html

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to [email protected].

URL Source(s) Tag(s)
http://archives.neohapsis.com/archives/fulldisclosure/2010-01/0252.html CVE, Inc., Red Hat Exploit 
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=53281b6d34d44308372d16acb7fb5327609f68b6 CVE, Inc., Red Hat
http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00002.html CVE, Inc., Red Hat
http://lock.cmpxchg8b.com/5ebe2294ecd0e0f08eab7690d2a6ee69/create_elf_tables.c CVE, Inc., Red Hat Exploit 
http://secunia.com/advisories/38199 CVE, Inc., Red Hat Vendor Advisory 
http://secunia.com/advisories/39033 CVE, Inc., Red Hat
http://support.avaya.com/css/P8/documents/100073666 CVE, Inc., Red Hat
http://twitter.com/taviso/statuses/7744108017 CVE, Inc., Red Hat Patch 
http://www.kernel.org/pub/linux/kernel/v2.6/snapshots/patch-2.6.33-rc4-git1.bz2 CVE, Inc., Red Hat Patch 
http://www.redhat.com/support/errata/RHSA-2010-0161.html CVE, Inc., Red Hat
http://www.securityfocus.com/bid/37806 CVE, Inc., Red Hat
https://bugzilla.redhat.com/show_bug.cgi?id=547906 CVE, Inc., Red Hat
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7054 CVE, Inc., Red Hat
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9201 CVE, Inc., Red Hat
https://rhn.redhat.com/errata/RHSA-2010-0046.html CVE, Inc., Red Hat
https://rhn.redhat.com/errata/RHSA-2010-0095.html CVE, Inc., Red Hat

Weakness Enumeration

CWE-ID CWE Name Source
CWE-399 Resource Management Errors cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

CPEs loading, please wait.

Denotes Vulnerable Software
Are we missing a CPE here? Please let us know.

Change History

6 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2009-4141
NVD Published Date:
01/19/2010
NVD Last Modified:
04/10/2025
Source:
Red Hat, Inc.