National Cyber-Alert System
Vulnerability Summary for CVE-2006-6056
Original release date:11/22/2006
Last revised:09/05/2008
Source:
US-CERT/NIST
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):
Impact Subscore:
6.9
Exploitability Subscore:
3.9
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type:Allows disruption of serviceUnknown
- 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
External Source: XF
Name: linux-superblockdoinit-dos(30278)
External Source: UBUNTU
Name: USN-416-1
External Source: BUGTRAQ
Name: 20070615 rPSA-2007-0124-1 kernel xen
External Source: SUSE
Name: SUSE-SA:2006:079
External Source: MANDRIVA
Name: MDKSA-2007:078
External Source: MANDRIVA
Name: MDKSA-2007:060
External Source: DEBIAN
Name: DSA-1304
External Source: CONFIRM
Name: http://support.avaya.com/elmodocs2/security/ASA-2007-063.htm
External Source: SECUNIA
Name: 25714
External Source: SECUNIA
Name: 25691
External Source: SECUNIA
Name: 24777
External Source: SECUNIA
Name: 24482
External Source: SECUNIA
Name: 24206
External Source: SECUNIA
Name: 24098
External Source: SECUNIA
Name: 23997
External Source: SECUNIA
Name: 23474
External Source: SECUNIA
Name: 22887
External Source: REDHAT
Name: RHSA-2007:0014
External Source: MANDRIVA
Name: MDKSA-2007:078
External Source: MANDRIVA
Name: MDKSA-2007:060