SB2006112204 - Improper input validation in Linux kernel

Description

This security bulletin contains information about 1 vulnerability.

1) Improper input validation (CVE-ID: CVE-2006-6053)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The ext3fs_dirhash function in Linux kernel 2.6.x allows local users to cause a denial of service (crash) via an ext3 stream with malformed data structures.

Remediation

Install update from vendor's website.

References

• http://projects.info-pull.com/mokb/MOKB-10-11-2006.html
• http://rhn.redhat.com/errata/RHSA-2007-0014.html
• http://secunia.com/advisories/22776
• http://secunia.com/advisories/23474
• http://secunia.com/advisories/23997
• http://secunia.com/advisories/24098
• http://secunia.com/advisories/24100
• http://secunia.com/advisories/24206
• http://secunia.com/advisories/24482
• http://secunia.com/advisories/25691
• http://secunia.com/advisories/25714
• http://secunia.com/advisories/29058
• http://support.avaya.com/elmodocs2/security/ASA-2007-063.htm
• http://www.debian.org/security/2007/dsa-1304
• http://www.debian.org/security/2008/dsa-1503
• http://www.mandriva.com/security/advisories?name=MDKSA-2007:040
• http://www.mandriva.com/security/advisories?name=MDKSA-2007:060
• http://www.novell.com/linux/security/advisories/2006_79_kernel.html
• http://www.securityfocus.com/archive/1/471457
• http://www.ubuntu.com/usn/usn-416-1
• http://www.vupen.com/english/advisories/2006/4458
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10992