CVE-2003-0643: Linux Kernel

Low severity, CVSS 2.1. EPSS: 0.4% chance of exploitation in the next 30 days.

Integer signedness error in the Linux Socket Filter implementation (filter.c) in Linux 2.4.3-pre3 to 2.4.22-pre10 allows attackers to cause a denial of service (crash).

Affected products

• Linux Linux Kernel: version 2.4.2 only; version 2.4.3 only; version 2.4.4 only; version 2.4.5 only; version 2.4.6 only; version 2.4.7 only; …

Published 2003-07-25. Last modified 2026-06-16.