SB2005090602 - Incorrect comparison in Linux kernel
Published: September 6, 2005
Security Bulletin ID
SB2005090602
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Incorrect comparison (CVE-ID: CVE-2005-2801)
The vulnerability allows a remote non-authenticated attacker to manipulate data.
xattr.c in the ext2 and ext3 file system code for Linux kernel 2.6 does not properly compare the name_index fields when sharing xattr blocks, which could prevent default ACLs from being applied.
Remediation
Install update from vendor's website.
References
- http://acl.bestbits.at/pipermail/acl-devel/2005-February/001848.html
- http://lists.debian.org/debian-kernel/2005/08/msg00238.html
- http://www.novell.com/linux/security/advisories/2005_18_kernel.html
- http://www.debian.org/security/2005/dsa-922
- http://www.debian.org/security/2005/dsa-921
- http://www.securityfocus.com/bid/14793
- http://secunia.com/advisories/18056
- http://secunia.com/advisories/18059
- http://www.redhat.com/support/errata/RHSA-2006-0144.html
- http://www.redhat.com/support/errata/RHSA-2005-514.html
- http://secunia.com/advisories/19252
- http://secunia.com/advisories/17073
- http://secunia.com/advisories/17826
- http://www.mandriva.com/security/advisories?name=MDKSA-2005:219
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10495
- http://www.securityfocus.com/archive/1/427980/100/0/threaded