The validate_event function in arch/arm/kernel/perf_event.c in the Linux kernel before 3.10.8 on the ARM platform allows local users to gain privileges or cause a denial of service (NULL pointer dereference and system crash) by adding a hardware event to an event group led by a software event.
git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=c95eb3184ea1a3a2551df57190c81da695e2144b
secunia.com/advisories/54494
www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.10.8
www.openwall.com/lists/oss-security/2013/08/16/6
www.ubuntu.com/usn/USN-1968-1
www.ubuntu.com/usn/USN-1969-1
www.ubuntu.com/usn/USN-1970-1
www.ubuntu.com/usn/USN-1971-1
www.ubuntu.com/usn/USN-1972-1
www.ubuntu.com/usn/USN-1973-1
www.ubuntu.com/usn/USN-1974-1
www.ubuntu.com/usn/USN-1975-1
bugzilla.redhat.com/show_bug.cgi?id=998878
github.com/torvalds/linux/commit/c95eb3184ea1a3a2551df57190c81da695e2144b