National Cyber-Alert System

Vulnerability Summary for CVE-2006-6056

Overview

Linux kernel 2.6.x up to 2.6.18 and possibly other versions, when SELinux hooks are enabled, allows local users to cause a denial of service (crash) via a malformed file stream that triggers a NULL pointer dereference in the superblock_doinit function, as demonstrated using an HFS filesystem image.

Impact

CVSS Severity (version 2.0):

CVSS Version 2 Metrics:

Vendor Statments (disclaimer)

Official Statement from Red Hat (03/14/2007)

Red Hat Enterprise Linux 5 is not vulnerable to this issue as it contains a backported patch.

References to Advisories, Solutions, and Tools

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External Source: MISC

Name: http://projects.info-pull.com/mokb/MOKB-14-11-2006.html

Type: Advisory

Hyperlink:http://projects.info-pull.com/mokb/MOKB-14-11-2006.html

External Source: XF

Name: linux-superblockdoinit-dos(30278)

Hyperlink:http://xforce.iss.net/xforce/xfdb/30278

External Source: UBUNTU

Name: USN-416-1

Hyperlink:http://www.ubuntu.com/usn/usn-416-1

External Source: BUGTRAQ

Name: 20070615 rPSA-2007-0124-1 kernel xen

Hyperlink:http://www.securityfocus.com/archive/1/471457

External Source: SUSE

Name: SUSE-SA:2006:079

Hyperlink:http://www.novell.com/linux/security/advisories/2006_79_kernel.html

External Source: MANDRIVA

Name: MDKSA-2007:078

Hyperlink:http://www.mandriva.com/security/advisories?name=MDKSA-2007:078

External Source: MANDRIVA

Name: MDKSA-2007:060

Hyperlink:http://www.mandriva.com/security/advisories?name=MDKSA-2007:060

External Source: DEBIAN

Name: DSA-1304

Hyperlink:http://www.debian.org/security/2007/dsa-1304

External Source: CONFIRM

Name: http://support.avaya.com/elmodocs2/security/ASA-2007-063.htm

Hyperlink:http://support.avaya.com/elmodocs2/security/ASA-2007-063.htm

External Source: SECUNIA

Name: 25714

Hyperlink:http://secunia.com/advisories/25714

External Source: SECUNIA

Name: 25691

Hyperlink:http://secunia.com/advisories/25691

External Source: SECUNIA

Name: 24777

Hyperlink:http://secunia.com/advisories/24777

External Source: SECUNIA

Name: 24482

Hyperlink:http://secunia.com/advisories/24482

External Source: SECUNIA

Name: 24206

Hyperlink:http://secunia.com/advisories/24206

External Source: SECUNIA

Name: 24098

Hyperlink:http://secunia.com/advisories/24098

External Source: SECUNIA

Name: 23997

Hyperlink:http://secunia.com/advisories/23997

External Source: SECUNIA

Name: 23474

Hyperlink:http://secunia.com/advisories/23474

External Source: SECUNIA

Name: 22887

Hyperlink:http://secunia.com/advisories/22887

External Source: REDHAT

Name: RHSA-2007:0014

Hyperlink:http://rhn.redhat.com/errata/RHSA-2007-0014.html

External Source: MANDRIVA

Name: MDKSA-2007:078

Hyperlink:http://frontal2.mandriva.com/security/advisories?name=MDKSA-2007:078

External Source: MANDRIVA

Name: MDKSA-2007:060

Hyperlink:http://frontal2.mandriva.com/security/advisories?name=MDKSA-2007:060