CVE-2005-0449: Linux Kernel

High severity, CVSS 7.1. EPSS: 4.6% chance of exploitation in the next 30 days.

The netfilter/iptables module in Linux before 2.6.8.1 allows remote attackers to cause a denial of service (kernel crash) or bypass firewall rules via crafted packets, which are not properly handled by the skb_checksum_help function.

Affected products

• Linux Linux Kernel: version 2.6.0 only; version 2.6.1 only; version 2.6.2 only; version 2.6.3 only; version 2.6.4 only; version 2.6.5 only; …

Published 2005-05-02. Last modified 2026-06-16.