CVE-2013-2141: Linux Kernel

Low severity, CVSS 2.1. EPSS: 0.6% chance of exploitation in the next 30 days.

The do_tkill function in kernel/signal.c in the Linux kernel before 3.8.9 does not initialize a certain data structure, which allows local users to obtain sensitive information from kernel memory via a crafted application that makes a (1) tkill or (2) tgkill system call.

Affected products

• Linux Linux Kernel: up to and including 3.8.8; version 3.8.0 only; version 3.8.1 only; version 3.8.2 only; version 3.8.3 only; version 3.8.4 only; …

Published 2013-06-07. Last modified 2026-06-16.