SB2006031201 - Improper input validation in Linux kernel
Published: March 12, 2006
Security Bulletin ID
SB2006031201
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper input validation (CVE-ID: CVE-2006-0557)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
sys_mbind in mempolicy.c in Linux kernel 2.6.16 and earlier does not sanity check the maxnod variable before making certain computations for the get_nodes function, which has unknown impact and attack vectors.
Remediation
Install update from vendor's website.
References
- http://lkml.org/lkml/2006/2/27/355
- http://rhn.redhat.com/errata/RHBA-2007-0304.html
- http://secunia.com/advisories/19955
- http://secunia.com/advisories/20398
- http://secunia.com/advisories/20914
- http://securitytracker.com/id?1015752
- http://www.debian.org/security/2006/dsa-1103
- http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=636f13c174dd7c84a437d3c3e8fa66f03f7fda63
- http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=636f13c174dd7c84a437d3c3e8fa66f03f7fda63
- http://www.mandriva.com/security/advisories?name=MDKSA-2006:059
- http://www.novell.com/linux/security/advisories/2006-05-31.html
- http://www.osvdb.org/23895
- http://www.securityfocus.com/bid/16924
- http://www.vupen.com/english/advisories/2006/2554
- https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=184510
- https://exchange.xforce.ibmcloud.com/vulnerabilities/25204
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9674
- https://usn.ubuntu.com/281-1/