Race condition in the Disk Images subsystem in Apple iOS before 9.3.2, OS X before 10.11.5, tvOS before 9.2.1, and watchOS before 2.2.1 allows local users to obtain sensitive information from kernel memory via unspecified vectors.
https://www.exploit-db.com/exploits/39929/
https://support.apple.com/HT206568
https://support.apple.com/HT206567
https://support.apple.com/HT206566
https://support.apple.com/HT206564
https://euvd.enisa.europa.eu/vulnerability/EUVD-2016-2902
https://bugs.chromium.org/p/project-zero/issues/detail?id=732
http://lists.apple.com/archives/security-announce/2016/May/msg00004.html
http://lists.apple.com/archives/security-announce/2016/May/msg00003.html
http://lists.apple.com/archives/security-announce/2016/May/msg00002.html
http://lists.apple.com/archives/security-announce/2016/May/msg00001.html