The IOAcceleratorFamily API implementation in Apple iOS before 8 and Apple TV before 7 allows attackers to cause a denial of service (NULL pointer dereference and device crash) via an application that uses crafted arguments.
https://exchange.xforce.ibmcloud.com/vulnerabilities/96106
http://www.securitytracker.com/id/1030866
http://www.securityfocus.com/bid/69929
http://www.securityfocus.com/bid/69882
http://support.apple.com/kb/HT6442
http://support.apple.com/kb/HT6441
http://archives.neohapsis.com/archives/bugtraq/2014-09/0107.html
http://archives.neohapsis.com/archives/bugtraq/2014-09/0106.html