The kernel in Apple iOS before 6 dereferences invalid pointers during the handling of packet-filter data structures, which allows local users to gain privileges via a crafted program that makes packet-filter ioctl calls.Referenceshttp://lists.apple.com/archives/security-announce/2012/Sep/msg00003.htmlhttp://support.apple.com/kb/HT5503http://osvdb.org/85629
