SB2005112505 - Null pointer dereference in Linux kernel
Published: November 25, 2005
Security Bulletin ID
SB2005112505
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) Null pointer dereference (CVE-ID: CVE-2005-3809)
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
The nfattr_to_tcp function in ip_conntrack_proto_tcp.c in ctnetlink in Linux kernel 2.6.14 up to 2.6.14.3 allows attackers to cause a denial of service (kernel oops) via an update message without private protocol information, which triggers a null dereference.
Remediation
Install update from vendor's website.