CVE-2015-3692
Apple Mac EFI before 2015-001, as used in OS X before 10.10.4 and other products, does not enforce a locking protection mechanism upon being woken from sleep, which allows local users to conduct EFI flash attacks by leveraging root privileges.
Date published : 2015-07-02
http://lists.apple.com/archives/security-announce/2015/Jun/msg00002.html
http://lists.apple.com/archives/security-announce/2015/Jun/msg00003.html