7.2
HIGH
CVE-2009-4141
"Linux Kernel fasync_helper USE AFTER FREE Privilege Escalation"
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.

INFO

Published Date :

Jan. 19, 2010, 4:30 p.m.

Last Modified :

Nov. 21, 2024, 1:09 a.m.

Remotely Exploitable :

No

Impact Score :

10.0

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2009-4141 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Linux linux_kernel
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2009-4141.

URL Resource
http://archives.neohapsis.com/archives/fulldisclosure/2010-01/0252.html Exploit
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 Exploit
http://secunia.com/advisories/38199 Vendor Advisory
http://secunia.com/advisories/39033
http://support.avaya.com/css/P8/documents/100073666
http://twitter.com/taviso/statuses/7744108017 Patch
http://www.kernel.org/pub/linux/kernel/v2.6/snapshots/patch-2.6.33-rc4-git1.bz2 Patch
http://www.redhat.com/support/errata/RHSA-2010-0161.html
http://www.securityfocus.com/bid/37806
https://bugzilla.redhat.com/show_bug.cgi?id=547906
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7054
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9201
https://rhn.redhat.com/errata/RHSA-2010-0046.html
https://rhn.redhat.com/errata/RHSA-2010-0095.html
http://archives.neohapsis.com/archives/fulldisclosure/2010-01/0252.html Exploit
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 Exploit
http://secunia.com/advisories/38199 Vendor Advisory
http://secunia.com/advisories/39033
http://support.avaya.com/css/P8/documents/100073666
http://twitter.com/taviso/statuses/7744108017 Patch
http://www.kernel.org/pub/linux/kernel/v2.6/snapshots/patch-2.6.33-rc4-git1.bz2 Patch
http://www.redhat.com/support/errata/RHSA-2010-0161.html
http://www.securityfocus.com/bid/37806
https://bugzilla.redhat.com/show_bug.cgi?id=547906
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7054
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9201
https://rhn.redhat.com/errata/RHSA-2010-0046.html
https://rhn.redhat.com/errata/RHSA-2010-0095.html

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2009-4141 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2009-4141 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://archives.neohapsis.com/archives/fulldisclosure/2010-01/0252.html
    Added Reference http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=53281b6d34d44308372d16acb7fb5327609f68b6
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00002.html
    Added Reference http://lock.cmpxchg8b.com/5ebe2294ecd0e0f08eab7690d2a6ee69/create_elf_tables.c
    Added Reference http://secunia.com/advisories/38199
    Added Reference http://secunia.com/advisories/39033
    Added Reference http://support.avaya.com/css/P8/documents/100073666
    Added Reference http://twitter.com/taviso/statuses/7744108017
    Added Reference http://www.kernel.org/pub/linux/kernel/v2.6/snapshots/patch-2.6.33-rc4-git1.bz2
    Added Reference http://www.redhat.com/support/errata/RHSA-2010-0161.html
    Added Reference http://www.securityfocus.com/bid/37806
    Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=547906
    Added Reference https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7054
    Added Reference https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9201
    Added Reference https://rhn.redhat.com/errata/RHSA-2010-0046.html
    Added Reference https://rhn.redhat.com/errata/RHSA-2010-0095.html
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Feb. 13, 2023

    Action Type Old Value New Value
    Changed Description CVE-2009-4141 kernel: create_elf_tables can leave urandom in a bad state 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.
    Removed CVSS V2 Red Hat, Inc. (AV:L/AC:L/Au:N/C:C/I:C/A:C)
    Removed Reference https://access.redhat.com/errata/RHSA-2010:0046 [No Types Assigned]
    Removed Reference https://access.redhat.com/errata/RHSA-2010:0149 [No Types Assigned]
    Removed Reference https://access.redhat.com/errata/RHSA-2010:0161 [No Types Assigned]
    Removed Reference https://access.redhat.com/security/cve/CVE-2009-4141 [No Types Assigned]
  • CVE Modified by [email protected]

    Feb. 02, 2023

    Action Type Old Value New Value
    Changed 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. CVE-2009-4141 kernel: create_elf_tables can leave urandom in a bad state
    Added CVSS V2 Red Hat, Inc. (AV:L/AC:L/Au:N/C:C/I:C/A:C)
    Removed Reference http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=53281b6d34d44308372d16acb7fb5327609f68b6 [Patch, Vendor Advisory]
    Added Reference http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=53281b6d34d44308372d16acb7fb5327609f68b6 [No Types Assigned]
    Added Reference https://access.redhat.com/errata/RHSA-2010:0149 [No Types Assigned]
    Added Reference https://access.redhat.com/security/cve/CVE-2009-4141 [No Types Assigned]
    Added Reference https://access.redhat.com/errata/RHSA-2010:0046 [No Types Assigned]
    Added Reference https://access.redhat.com/errata/RHSA-2010:0161 [No Types Assigned]
  • CVE Modified by [email protected]

    Sep. 19, 2017

    Action Type Old Value New Value
    Removed Reference http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:7054 [No Types Assigned]
    Removed Reference http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:9201 [No Types Assigned]
    Added Reference https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9201 [No Types Assigned]
    Added Reference https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7054 [No Types Assigned]
  • Initial Analysis by [email protected]

    Jan. 20, 2010

    Action Type Old Value New Value
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2009-4141 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2009-4141 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.04 }} 0.00%

score

0.00501

percentile

CVSS2 - Vulnerability Scoring System
Access Vector
Access Complexity
Authentication
Confidentiality
Integrity
Availability