CVE-2002-0831: Freebsd

Low severity, CVSS 2.1. EPSS: 0.3% chance of exploitation in the next 30 days.

The kqueue mechanism in FreeBSD 4.3 through 4.6 STABLE allows local users to cause a denial of service (kernel panic) via a pipe call in which one end is terminated and an EVFILT_WRITE filter is registered for the other end.

Affected products

• Freebsd Freebsd: version 4.3 only; version 4.4 only; version 4.5 only; version 4.6 only

Published 2002-08-12. Last modified 2026-06-16.