SB2005123103 - Memory corruption in Linux kernel
Published: December 31, 2005
Security Bulletin ID
SB2005123103
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Memory corruption (CVE-ID: CVE-2005-4798)
The vulnerability allows a remote non-authenticated attacker to perform service disruption.
Buffer overflow in NFS readlink handling in the Linux Kernel 2.4 up to 2.4.31 allows remote NFS servers to cause a denial of service (crash) via a long symlink, which is not properly handled in (1) nfs2xdr.c or (2) nfs3xdr.c and causes a crash in the NFS client.
Remediation
Install update from vendor's website.
References
- http://secunia.com/advisories/20398
- http://secunia.com/advisories/22082
- http://secunia.com/advisories/22093
- http://www.debian.org/security/2006/dsa-1183
- http://www.debian.org/security/2006/dsa-1184
- http://www.kernel.org/git/?p=linux/kernel/git/marcelo/linux-2.4.git;a=commit;h=87e03738fc15dc3ea4acde3a5dcb5f84b6b6152b
- http://www.kernel.org/git/?p=linux/kernel/git/marcelo/linux-2.4.git;a=commitdiff;h=87e03738fc15dc3ea4acde3a5dcb5f84b6b6152b
- http://www.novell.com/linux/security/advisories/2006-05-31.html
- http://www.securityfocus.com/bid/20186
- http://www.ussg.iu.edu/hypermail/linux/kernel/0509.1/1333.html
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11536