CVE-2011-2211: Linux Kernel

High severity, CVSS 7.2. EPSS: 0.5% chance of exploitation in the next 30 days.

The osf_wait4 function in arch/alpha/kernel/osf_sys.c in the Linux kernel before 2.6.39.4 on the Alpha platform uses an incorrect pointer, which allows local users to gain privileges by writing a certain integer value to kernel memory.

Affected products

• Linux Linux Kernel: up to and including 2.6.39.3; version 2.6.39 only; version 2.6.39.1 only; version 2.6.39.2 only

Published 2012-06-13. Last modified 2026-06-16.