CVE-1999-1166: Linux Kernel

High severity, CVSS 7.2. EPSS: 1% chance of exploitation in the next 30 days.

Linux 2.0.37 does not properly encode the Custom segment limit, which allows local users to gain root privileges by accessing and modifying kernel memory.

Affected products

• Linux Linux Kernel: version 2.0.37 only

Published 1999-07-11. Last modified 2026-06-16.