CVE-1999-1406: Red Hat Linux

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

dumpreg in Red Hat Linux 5.1 opens /dev/mem with O_RDWR access, which allows local users to cause a denial of service (crash) by redirecting fd 1 (stdout) to the kernel.

Affected products

• Red Hat Linux: version 5.1 only

Published 1998-07-29. Last modified 2026-06-16.