CVE-2005-1126: Freebsd

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

The SIOCGIFCONF ioctl (ifconf function) in FreeBSD 4.x through 4.11 and 5.x through 5.4 does not properly clear a buffer before using it, which allows local users to obtain portions of sensitive kernel memory.

Affected products

• Freebsd Freebsd: version 4.0 only; version 4.1 only; version 4.1.1 only; version 4.2 only; version 4.3 only; version 4.4 only; …

Published 2005-04-15. Last modified 2026-06-16.