Linux Kernel 'keyctl_session_to_parent()' Null Pointer Dereference Denial of Service Vulnerability

BID:42932

Info

Linux Kernel 'keyctl_session_to_parent()' Null Pointer Dereference Denial of Service Vulnerability

Bugtraq ID: 42932
Class: Design Error
CVE: CVE-2010-2960
Remote: No
Local: Yes
Published: Sep 02 2010 12:00AM
Updated: Apr 13 2015 08:15PM
Credit: Tavis Ormandy
Vulnerable: Ubuntu Ubuntu Linux 9.10 sparc
Ubuntu Ubuntu Linux 9.10 powerpc
Ubuntu Ubuntu Linux 9.10 lpia
Ubuntu Ubuntu Linux 9.10 i386
Ubuntu Ubuntu Linux 9.10 amd64
Ubuntu Ubuntu Linux 9.04 sparc
Ubuntu Ubuntu Linux 9.04 powerpc
Ubuntu Ubuntu Linux 9.04 lpia
Ubuntu Ubuntu Linux 9.04 i386
Ubuntu Ubuntu Linux 9.04 amd64
Ubuntu Ubuntu Linux 8.04 LTS sparc
Ubuntu Ubuntu Linux 8.04 LTS powerpc
Ubuntu Ubuntu Linux 8.04 LTS lpia
Ubuntu Ubuntu Linux 8.04 LTS i386
Ubuntu Ubuntu Linux 8.04 LTS amd64
Ubuntu Ubuntu Linux 6.06 LTS sparc
Ubuntu Ubuntu Linux 6.06 LTS powerpc
Ubuntu Ubuntu Linux 6.06 LTS i386
Ubuntu Ubuntu Linux 6.06 LTS amd64
Ubuntu Ubuntu Linux 10.10 powerpc
Ubuntu Ubuntu Linux 10.10 i386
Ubuntu Ubuntu Linux 10.10 ARM
Ubuntu Ubuntu Linux 10.10 amd64
Ubuntu Ubuntu Linux 10.04 sparc
Ubuntu Ubuntu Linux 10.04 powerpc
Ubuntu Ubuntu Linux 10.04 i386
Ubuntu Ubuntu Linux 10.04 ARM
Ubuntu Ubuntu Linux 10.04 amd64
SuSE SUSE Linux Enterprise Server Unsupported Extras 11
SuSE SUSE Linux Enterprise Server 11 SP1
+ Linux kernel 2.6.5
SuSE SUSE Linux Enterprise Real Time 11 SP1
+ Linux kernel 2.6.5
SuSE SUSE Linux Enterprise High Availability Extension 11 SP1
SuSE SUSE Linux Enterprise Desktop 11 SP1
+ Linux kernel 2.6.5
SuSE openSUSE 11.3
S.u.S.E. openSUSE 11.2
Linux kernel 2.6.35
Linux kernel 2.6.34
Linux kernel 2.6.33 .1
Linux kernel 2.6.33
Linux kernel 2.6.32 .9
Linux kernel 2.6.36-rc1
Linux kernel 2.6.35-rc6
Linux kernel 2.6.35-rc5-git5
Linux kernel 2.6.35-rc5
Linux kernel 2.6.35-rc4
Linux kernel 2.6.35-rc1
Linux kernel 2.6.34.2
Linux kernel 2.6.34-rc6
Linux kernel 2.6.34-rc5
Linux kernel 2.6.34-rc4
Linux kernel 2.6.34-rc2-git1
Linux kernel 2.6.34-rc2
Linux kernel 2.6.34-rc1
Linux kernel 2.6.33.7
Linux kernel 2.6.33-rc8
Linux kernel 2.6.33-rc7
Linux kernel 2.6.33-rc6-git5
Linux kernel 2.6.33-rc6
Linux kernel 2.6.33-rc5
+ Trustix Secure Enterprise Linux 2.0
+ Trustix Secure Linux 2.2
+ Trustix Secure Linux 2.1
+ Trustix Secure Linux 2.0
Linux kernel 2.6.33-rc4
+ Trustix Secure Enterprise Linux 2.0
+ Trustix Secure Linux 2.2
+ Trustix Secure Linux 2.1
+ Trustix Secure Linux 2.0
Linux kernel 2.6.33-rc1
+ Trustix Secure Enterprise Linux 2.0
+ Trustix Secure Linux 2.2
+ Trustix Secure Linux 2.1
+ Trustix Secure Linux 2.0
Linux kernel 2.6.32.8
Linux kernel 2.6.32.7
Linux kernel 2.6.32.4
Linux kernel 2.6.32.3
Linux kernel 2.6.32.17
Linux kernel 2.6.32.12
Linux kernel 2.6.32.11
Linux kernel 2.6.32-rc8
Linux kernel 2.6.32-rc7
Linux kernel 2.6.32-rc5
+ Trustix Secure Enterprise Linux 2.0
+ Trustix Secure Linux 2.2
+ Trustix Secure Linux 2.1
+ Trustix Secure Linux 2.0
Linux kernel 2.6.32-rc4
Linux kernel 2.6.32-rc3
+ Trustix Secure Enterprise Linux 2.0
+ Trustix Secure Linux 2.2
+ Trustix Secure Linux 2.1
+ Trustix Secure Linux 2.0
Linux kernel 2.6.32-rc2
Linux kernel 2.6.32-rc1
Not Vulnerable:

Discussion

Linux Kernel 'keyctl_session_to_parent()' Null Pointer Dereference Denial of Service Vulnerability

The Linux kernel is prone to a NULL pointer dereference denial-of-service vulnerability.

An attacker can exploit this issue to cause the kernel to crash, denying service to legitimate users. Due to the nature of the issue, code execution may be possible; however, it has not been confirmed.

Exploit / POC

Linux Kernel 'keyctl_session_to_parent()' Null Pointer Dereference Denial of Service Vulnerability

Currently we are not aware of any working exploits. If you feel we are in error or if you are aware of more recent information, please mail us at: [email protected].

Solution / Fix

Linux Kernel 'keyctl_session_to_parent()' Null Pointer Dereference Denial of Service Vulnerability

Solution:
Updates are available. Please see the references for more information.


Ubuntu Ubuntu Linux 10.04 powerpc

Ubuntu Ubuntu Linux 10.04 amd64

Ubuntu Ubuntu Linux 10.04 ARM

S.u.S.E. openSUSE 11.3

Ubuntu Ubuntu Linux 10.04 i386

S.u.S.E. openSUSE 11.2

Ubuntu Ubuntu Linux 10.04 sparc

References

Linux Kernel 'keyctl_session_to_parent()' Null Pointer Dereference Denial of Service Vulnerability

References:

© CVE.report 2026

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

Free CVE JSON API cve.report/api

CVE.report and Source URL Uptime Status status.cve.report