CVE-2004-0626: Conectiva Linux

Medium severity, CVSS 5.0. EPSS: 2.8% chance of exploitation in the next 30 days.

The tcp_find_option function of the netfilter subsystem in Linux kernel 2.6, when using iptables and TCP options rules, allows remote attackers to cause a denial of service (CPU consumption by infinite loop) via a large option length that produces a negative integer after a casting operation to the char type.

Affected products

• Conectiva Linux: version 10 only
• Gentoo Linux: any version
• Linux Linux Kernel: version 2.6.0 only
• Suse Suse Linux: version 8.0 only; version 8.1 only; version 8.2 only; version 9.0 only; version 9.1 only

Published 2004-12-06. Last modified 2026-06-16.