Vulnerability CVE-2009-4141

Vulnerability Name:

CVE-2009-4141 (CCN-55667)

Assigned:

2009-12-16

Published:

2009-12-16

Updated:

2023-02-13

Summary:

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 v3 Severity:

9.3 Critical (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H)

Exploitability Metrics:	Attack Vector (AV): Local Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): None
Scope:	Scope (S): Changed
Impact Metrics:	Confidentiality (C): High Integrity (I): High Availibility (A): High

CVSS v2 Severity:

7.2 High (CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C)
5.8 Medium (Temporal CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:TF/RC:C)

Exploitability Metrics:	Access Vector (AV): Local Access Complexity (AC): Low Authentication (Au): None
Impact Metrics:	Confidentiality (C): Complete Integrity (I): Complete Availibility (A): Complete

7.2 High (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C)
5.8 Medium (CCN Temporal CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:TF/RC:C)

Exploitability Metrics:	Access Vector (AV): Local Access Complexity (AC): Low Athentication (Au): None
Impact Metrics:	Confidentiality (C): Complete Integrity (I): Complete Availibility (A): Complete

7.2 High (REDHAT CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C)
5.8 Medium (REDHAT Temporal CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:TF/RC:C)

Exploitability Metrics:	Access Vector (AV): Local Access Complexity (AC): Low Authentication (Au): None
Impact Metrics:	Confidentiality (C): Complete Integrity (I): Complete Availibility (A): Complete

Vulnerability Type:

CWE-119

Vulnerability Consequences:

Gain Privileges

References:

Vulnerable Configuration:

Configuration RedHat 1:

cpe:/o:redhat:enterprise_linux:5:*:*:*:*:*:*:*

Configuration RedHat 2:

cpe:/o:redhat:enterprise_linux:5::client:*:*:*:*:*

Configuration RedHat 3:

cpe:/o:redhat:enterprise_linux:5::server:*:*:*:*:*

Configuration CCN 1:

cpe:/o:linux:linux_kernel:2.6.3:rc4:*:*:*:*:*:*

OR cpe:/o:linux:linux_kernel:2.6.3:rc3:*:*:*:*:*:*

OR cpe:/o:linux:linux_kernel:2.6.3:rc2:*:*:*:*:*:*

OR cpe:/o:linux:linux_kernel:2.6.3:rc1:*:*:*:*:*:*

OR cpe:/o:linux:linux_kernel:2.6.28:rc1:*:*:*:*:*:*

OR cpe:/o:linux:linux_kernel:2.6.28:rc5:*:*:*:*:*:*

OR cpe:/o:linux:linux_kernel:2.6.28:rc2:*:*:*:*:*:*

OR cpe:/o:linux:linux_kernel:2.6.28:rc3:*:*:*:*:*:*

OR cpe:/o:linux:linux_kernel:2.6.28:rc4:*:*:*:*:*:*

OR cpe:/o:linux:linux_kernel:2.6.28:rc7:*:*:*:*:*:*

OR cpe:/o:linux:linux_kernel:2.6.28:-:*:*:*:*:*:*

OR cpe:/o:linux:linux_kernel:2.6.28.1:*:*:*:*:*:*:*

OR cpe:/o:linux:linux_kernel:2.6.28:git7:*:*:*:*:*:*

OR cpe:/o:linux:linux_kernel:2.6.28.2:*:*:*:*:*:*:*

OR cpe:/o:linux:linux_kernel:2.6.28.3:*:*:*:*:*:*:*

OR cpe:/o:linux:linux_kernel:2.6.28.4:*:*:*:*:*:*:*

OR cpe:/o:linux:linux_kernel:2.6.28:rc6:*:*:*:*:*:*

OR cpe:/o:linux:linux_kernel:2.6.28.5:*:*:*:*:*:*:*

OR cpe:/o:linux:linux_kernel:2.6.28.6:*:*:*:*:*:*:*

OR cpe:/o:linux:linux_kernel:2.6.29:rc2:*:*:*:*:*:*

OR cpe:/o:linux:linux_kernel:2.6.28.7:*:*:*:*:*:*:*

OR cpe:/o:linux:linux_kernel:2.6.28.8:*:*:*:*:*:*:*

OR cpe:/o:linux:linux_kernel:2.6.28.9:*:*:*:*:*:*:*

OR cpe:/o:linux:linux_kernel:2.6.29:rc1:*:*:*:*:*:*

OR cpe:/o:linux:linux_kernel:2.6.29:git1:*:*:*:*:*:*

OR cpe:/o:linux:linux_kernel:2.6.29:-:*:*:*:*:*:*

OR cpe:/o:linux:linux_kernel:2.6.28.10:*:*:*:*:*:*:*

OR cpe:/o:linux:linux_kernel:2.6.29.5:*:*:*:*:*:*:*

OR cpe:/o:linux:linux_kernel:2.6.29.6:*:*:*:*:*:*:*

OR cpe:/o:linux:linux_kernel:2.6.29.4:*:*:*:*:*:*:*

OR cpe:/o:linux:linux_kernel:2.6.29.3:*:*:*:*:*:*:*

OR cpe:/o:linux:linux_kernel:2.6.29.2:*:*:*:*:*:*:*

OR cpe:/o:linux:linux_kernel:2.6.29.1:*:*:*:*:*:*:*

OR cpe:/o:linux:linux_kernel:2.6.29:rc8-kk:*:*:*:*:*:*

OR cpe:/o:linux:linux_kernel:2.6.29:rc2_git7:*:*:*:*:*:*

OR cpe:/o:linux:linux_kernel:2.6.28:rc1:*:*:*:*:*:*

OR cpe:/o:linux:linux_kernel:2.6.29.rc2:*:*:*:*:*:*:*

OR cpe:/o:linux:linux_kernel:2.6.29.rc1:*:*:*:*:*:*:*

OR cpe:/o:linux:linux_kernel:2.6.3:-:*:*:*:*:*:*

AND

cpe:/o:canonical:ubuntu:6.06::lts:*:*:*:*:*

OR cpe:/o:redhat:enterprise_linux:5:*:*:*:*:*:*:*

OR cpe:/o:redhat:enterprise_linux:5:*:client:*:*:*:*:*

OR cpe:/o:canonical:ubuntu:8.04::lts:*:*:*:*:*

OR cpe:/a:vmware:esx_server:4.0:*:*:*:*:*:*:*

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:org.opensuse.security:def:20094141	V	CVE-2009-4141	2015-11-16
oval:org.mitre.oval:def:13189	P	USN-894-1 -- linux, linux-source-2.6.15 vulnerabilities	2014-06-30
oval:org.mitre.oval:def:22940	P	ELSA-2010:0046: kernel security and bug fix update (Important)	2014-05-26
oval:org.mitre.oval:def:21777	P	RHSA-2010:0046: kernel security and bug fix update (Important)	2014-02-24
oval:org.mitre.oval:def:7054	V	Linux Kernel 'fasync_helper()' Local Privilege Escalation Vulnerability	2014-01-20
oval:org.mitre.oval:def:9201	V	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.	2013-04-29
oval:com.redhat.rhsa:def:20100046	P	RHSA-2010:0046: kernel security and bug fix update (Important)	2010-01-19

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