The __do_follow_link function in fs/namei.c in the Linux kernel before 2.6.33 does not properly handle the last pathname component during use of certain filesystems, which allows local users to cause a denial of service (incorrect free operations and system crash) via an open system call.
http://linux.oracle.com/errata/ELSA-2014-0771.html
http://linux.oracle.com/errata/ELSA-2014-3043.html
https://bugzilla.redhat.com/show_bug.cgi?id=1094363
http://secunia.com/advisories/59262
http://secunia.com/advisories/59309
http://secunia.com/advisories/59406
http://secunia.com/advisories/59560
https://github.com/torvalds/linux/commit/86acdca1b63e6890540fa19495cfc708beff3d8b