Linux Kernel SysFS_ReadDir NULL Pointer Dereference Vulnerability

BID:24631

Info

Linux Kernel SysFS_ReadDir NULL Pointer Dereference Vulnerability

Bugtraq ID: 24631
Class: Design Error
CVE: CVE-2007-3104
Remote: No
Local: Yes
Published: Jun 25 2007 12:00AM
Updated: Jul 14 2008 11:39PM
Credit: Red Hat credits the OpenVZ Linux kernel team with reporting this issue.
Vulnerable: Ubuntu Ubuntu Linux 7.04 sparc
Ubuntu Ubuntu Linux 7.04 powerpc
Ubuntu Ubuntu Linux 7.04 i386
Ubuntu Ubuntu Linux 7.04 amd64
Ubuntu Ubuntu Linux 6.10 sparc
Ubuntu Ubuntu Linux 6.10 powerpc
Ubuntu Ubuntu Linux 6.10 i386
Ubuntu Ubuntu Linux 6.10 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
SuSE SUSE Linux Enterprise Server 10 SP1
SuSE SUSE Linux Enterprise SDK 10.SP1
SuSE Suse Linux Enterprise Desktop 10 SP1
SuSE SUSE Linux Enterprise 10 SP1 DEBUGINFO
SuSE Linux Enterprise Server 10.SP1
SuSE Linux 10.1 x86-64
SuSE Linux 10.1 x86
SuSE Linux 10.1 ppc
Redhat Enterprise Linux WS 4
Redhat Enterprise Linux ES 4
Redhat Enterprise Linux Desktop 5 client
Redhat Enterprise Linux AS 4
Redhat Enterprise Linux Desktop version 4
Redhat Enterprise Linux 5 Server
Debian Linux 4.0 sparc
Debian Linux 4.0 s/390
Debian Linux 4.0 powerpc
Debian Linux 4.0 mipsel
Debian Linux 4.0 mips
Debian Linux 4.0 m68k
Debian Linux 4.0 ia-64
Debian Linux 4.0 ia-32
Debian Linux 4.0 hppa
Debian Linux 4.0 arm
Debian Linux 4.0 amd64
Debian Linux 4.0 alpha
Debian Linux 4.0
Avaya Messaging Storage Server MSS 3.0
Avaya Message Networking
Avaya Communication Manager 4.0
Avaya Communication Manager 3.1
+ Avaya Communication Manager Server DEFINITY Server SI/CS
+ Avaya Communication Manager Server S8100
+ Avaya Communication Manager Server S8300
+ Avaya Communication Manager Server S8500
+ Avaya Communication Manager Server S8700
Avaya CCS 3.1.1
Avaya AES 4.0
Not Vulnerable:

Discussion

Linux Kernel SysFS_ReadDir NULL Pointer Dereference Vulnerability

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

A local attacker can exploit this issue to crash the affected kernel, denying service to legitimate users.

UPDATE (June 26, 2007): Given the nature of this issue, remote code execution may also be possible but has not been confirmed.

Exploit / POC

Linux Kernel SysFS_ReadDir NULL Pointer Dereference Vulnerability

Currently we are not aware of any exploits for this issue. 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 SysFS_ReadDir NULL Pointer Dereference Vulnerability

Solution:
The vendor has released an advisory and fixes to address this issue. Please contact the vendor for more information.

References

Linux Kernel SysFS_ReadDir NULL Pointer Dereference Vulnerability

References:

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