The inotify functionality in Linux kernel 2.6 before 2.6.28-rc5 might allow local users to gain privileges via unknown vectors related to race conditions in inotify watch removal and umount.
https://www.redhat.com/archives/fedora-package-announce/2008-December/msg01358.html
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10584
https://issues.rpath.com/browse/RPL-2915
http://www.ubuntu.com/usn/usn-715-1
http://www.securityfocus.com/bid/33503
http://www.securityfocus.com/archive/1/499044/100/0/threaded
http://www.redhat.com/support/errata/RHSA-2009-0225.html
http://www.redhat.com/support/errata/RHSA-2009-0053.html
http://www.debian.org/security/2008/dsa-1681
http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0332
http://secunia.com/advisories/33854
http://secunia.com/advisories/33756
http://secunia.com/advisories/33706
http://secunia.com/advisories/33704
http://secunia.com/advisories/33641
http://secunia.com/advisories/33623
http://secunia.com/advisories/33348
http://secunia.com/advisories/33083
http://secunia.com/advisories/32998
http://lists.opensuse.org/opensuse-security-announce/2009-01/msg00010.html
http://lists.opensuse.org/opensuse-security-announce/2009-01/msg00006.html
http://kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.28-rc5