CVE-2011-1022: Balbir Singh Libcgroup

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

The cgre_receive_netlink_msg function in daemon/cgrulesengd.c in cgrulesengd in the Control Group Configuration Library (aka libcgroup or libcg) before 0.37.1 does not verify that netlink messages originated in the kernel, which allows local users to bypass intended resource restrictions via a crafted message.

Affected products

• Balbir Singh Libcgroup: up to and including 0.37; version 0.1b only; version 0.1c only; version 0.2 only; version 0.3 only; version 0.31 only; …

Published 2011-03-22. Last modified 2026-06-16.