The do_gfs2_set_flags function in fs/gfs2/file.c in the Linux kernel before 2.6.34-git10 does not verify the ownership of a file, which allows local users to bypass intended access restrictions via a SETFLAGS ioctl request.
https://www.redhat.com/archives/cluster-devel/2010-May/msg00049.html
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9916
https://exchange.xforce.ibmcloud.com/vulnerabilities/58926
https://bugzilla.redhat.com/show_bug.cgi?id=595579
http://www.vupen.com/english/advisories/2010/1857
http://www.vmware.com/security/advisories/VMSA-2011-0003.html
http://www.securityfocus.com/bid/40356
http://www.securityfocus.com/archive/1/516397/100/0/threaded
http://www.openwall.com/lists/oss-security/2010/05/26/1
http://www.openwall.com/lists/oss-security/2010/05/25/12
http://www.openwall.com/lists/oss-security/2010/05/25/1
http://www.kernel.org/pub/linux/kernel/v2.6/snapshots/incr/patch-2.6.34-git9-git10.bz2
http://secunia.com/advisories/43315
http://secunia.com/advisories/40645
http://lists.opensuse.org/opensuse-security-announce/2010-08/msg00000.html
http://lists.opensuse.org/opensuse-security-announce/2010-07/msg00006.html