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.
kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.28-rc5
lists.opensuse.org/opensuse-security-announce/2009-01/msg00006.html
lists.opensuse.org/opensuse-security-announce/2009-01/msg00010.html
secunia.com/advisories/32998
secunia.com/advisories/33083
secunia.com/advisories/33348
secunia.com/advisories/33623
secunia.com/advisories/33641
secunia.com/advisories/33704
secunia.com/advisories/33706
secunia.com/advisories/33756
secunia.com/advisories/33854
wiki.rpath.com/wiki/Advisories:rPSA-2008-0332
www.debian.org/security/2008/dsa-1681
www.redhat.com/support/errata/RHSA-2009-0053.html
www.redhat.com/support/errata/RHSA-2009-0225.html
www.securityfocus.com/archive/1/499044/100/0/threaded
www.securityfocus.com/bid/33503
www.ubuntu.com/usn/usn-715-1
issues.rpath.com/browse/RPL-2915
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10584
usn.ubuntu.com/714-1/
www.redhat.com/archives/fedora-package-announce/2008-December/msg01358.html