CVE-2006-3626: Linux Kernel

Medium severity, CVSS 6.2. EPSS: 2.2% chance of exploitation in the next 30 days.

Race condition in Linux kernel 2.6.17.4 and earlier allows local users to gain root privileges by using prctl with PR_SET_DUMPABLE in a way that causes /proc/self/environ to become setuid root.

Affected products

• Linux Linux Kernel: version 2.6.16 only; version 2.6.16.1 only; version 2.6.16.2 only; version 2.6.16.3 only; version 2.6.16.4 only; version 2.6.16.5 only; …

Published 2006-07-18. Last modified 2026-06-16.