CVE-2011-1022 Information

Description

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.

Reference

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=615987 http://lists.fedoraproject.org/pipermail/package-announce/2011-March/056683.html http://lists.fedoraproject.org/pipermail/package-announce/2011-March/056734.html http://lists.opensuse.org/opensuse-updates/2011-04/msg00027.html http://openwall.com/lists/oss-security/2011/02/25/11 http://openwall.com/lists/oss-security/2011/02/25/12 http://openwall.com/lists/oss-security/2011/02/25/14 http://openwall.com/lists/oss-security/2011/02/25/6 http://openwall.com/lists/oss-security/2011/02/25/9 http://secunia.com/advisories/43611 http://secunia.com/advisories/43758 http://secunia.com/advisories/43891 http://secunia.com/advisories/44093 http://sourceforge.net/mailarchive/message.php?msg_id=26598749 http://sourceforge.net/mailarchive/message.php?msg_id=27102603 http://sourceforge.net/projects/libcg/files/libcgroup/v0.37.1/libcgroup-0.37.1.tar.bz2/download http://www.debian.org/security/2011/dsa-2193 http://www.redhat.com/support/errata/RHSA-2011-0320.html http://www.securityfocus.com/bid/46578 http://www.securitytracker.com/id?1025157 http://www.vupen.com/english/advisories/2011/0679 http://www.vupen.com/english/advisories/2011/0774 https://bugzilla.redhat.com/show_bug.cgi?id=680409