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Vulnerability Score 7.8 7.8
CVE Id CVE-2005-3809
Last Modified 05 Sep 2008 04:55:21
Published 25 Nov 2005 04:03:00
Confidentiality Impact NONE NONE
Integrity Impact NONE NONE
Availability Impact COMPLETE COMPLETE
Access Vector NETWORK
Access Complexity LOW
Authentication NONE



The nfattr_to_tcp function in ip_conntrack_proto_tcp.c in ctnetlink in Linux kernel 2.6.14 up to allows attackers to cause a denial of service (kernel oops) via an update message without private protocol information, which triggers a null dereference.

Vulnerable Systems

Operating System

  • Linux Kernel 2.6.14

  • Linux Kernel

  • Linux Kernel

  • Linux Kernel


OSVDB - 24114


MLIST - [linux-kernel] 20051122 [patch 11/23] [PATCH] [NETFILTER] ctnetlink: check if protoinfo is present

Last Updated: 27 May 2016 10:41:03