Explain CVE-2011-1022
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: n/a
References: [{'name': '[oss-security] 20110225 Re: CVE request: libcgroup: Failure to verify netlink messages', 'tags': ['mailing-list', 'x_refsource_MLIST'], 'url': 'http://openwall.com/lists/oss-security/2011/02/25/11'}, {'name': '43758', 'tags': ['third-party-advisory', 'x_refsource_SECUNIA'], 'url': 'http://secunia.com/advisories/43758'}, {'name': '44093', 'tags': ['third-party-advisory', 'x_refsource_SECUNIA'], 'url': 'http://secunia.com/advisories/44093'}, {'tags': ['x_refsource_CONFIRM'], 'url': 'http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=615987'}, {'name': '1025157', 'tags': ['vdb-entry', 'x_refsource_SECTRACK'], 'url': 'http://www.securitytracker.com/id?1025157'}, {'name': '46578', 'tags': ['vdb-entry', 'x_refsource_BID'], 'url': 'http://www.securityfocus.com/bid/46578'}, {'tags': ['x_refsource_CONFIRM'], 'url': 'http://sourceforge.net/projects/libcg/files/libcgroup/v0.37.1/libcgroup-0.37.1.tar.bz2/download'}, {'name': '43891', 'tags': ['third-party-advisory', 'x_refsource_SECUNIA'], 'url': 'http://secunia.com/advisories/43891'}, {'name': 'DSA-2193', 'tags': ['vendor-advisory', 'x_refsource_DEBIAN'], 'url': 'http://www.debian.org/security/2011/dsa-2193'}, {'name': 'openSUSE-SU-2011:0316', 'tags': ['vendor-advisory', 'x_refsource_SUSE'], 'url': 'http://lists.opensuse.org/opensuse-updates/2011-04/msg00027.html'}, {'name': 'FEDORA-2011-2631', 'tags': ['vendor-advisory', 'x_refsource_FEDORA'], 'url': 'http://lists.fedoraproject.org/pipermail/package-announce/2011-March/056683.html'}, {'name': 'ADV-2011-0679', 'tags': ['vdb-entry', 'x_refsource_VUPEN'], 'url': 'http://www.vupen.com/english/advisories/2011/0679'}, {'name': 'ADV-2011-0774', 'tags': ['vdb-entry', 'x_refsource_VUPEN'], 'url': 'http://www.vupen.com/english/advisories/2011/0774'}, {'name': '[libcg-devel] 20101115 Fwd: libcgroup netlink', 'tags': ['mailing-list', 'x_refsource_MLIST'], 'url': 'http://sourceforge.net/mailarchive/message.php?msg_id=26598749'}, {'name': '[oss-security] 20110225 Re: CVE request: libcgroup: Failure to verify netlink messages', 'tags': ['mailing-list', 'x_refsource_MLIST'], 'url': 'http://openwall.com/lists/oss-security/2011/02/25/14'}, {'tags': ['x_refsource_CONFIRM'], 'url': 'https://bugzilla.redhat.com/show_bug.cgi?id=680409'}, {'name': 'RHSA-2011:0320', 'tags': ['vendor-advisory', 'x_refsource_REDHAT'], 'url': 'http://www.redhat.com/support/errata/RHSA-2011-0320.html'}, {'name': '[oss-security] 20110225 Re: CVE request: libcgroup: Failure to verify netlink messages', 'tags': ['mailing-list', 'x_refsource_MLIST'], 'url': 'http://openwall.com/lists/oss-security/2011/02/25/12'}, {'name': '43611', 'tags': ['third-party-advisory', 'x_refsource_SECUNIA'], 'url': 'http://secunia.com/advisories/43611'}, {'name': 'FEDORA-2011-2638', 'tags': ['vendor-advisory', 'x_refsource_FEDORA'], 'url': 'http://lists.fedoraproject.org/pipermail/package-announce/2011-March/056734.html'}, {'name': '[oss-security] 20110224 CVE request: libcgroup: Failure to verify netlink messages', 'tags': ['mailing-list', 'x_refsource_MLIST'], 'url': 'http://openwall.com/lists/oss-security/2011/02/25/6'}, {'name': '[oss-security] 20110225 Re: CVE request: libcgroup: Failure to verify netlink messages', 'tags': ['mailing-list', 'x_refsource_MLIST'], 'url': 'http://openwall.com/lists/oss-security/2011/02/25/9'}, {'name': "[libcg-devel] 20110218 [PATCH 2/2] cgrulesengd: Ignore netlink messages that don't come from the kernel.", 'tags': ['mailing-list', 'x_refsource_MLIST'], 'url': 'http://sourceforge.net/mailarchive/message.php?msg_id=27102603'}]
CVE State: PUBLISHED