AppleRAID in Apple OS X before 10.11.4 allows local users to obtain sensitive kernel memory-layout information or cause a denial of service (out-of-bounds read) via unspecified vectors.
Apple Security Advisory 2016-03-21-5 - OS X El Capitan 10.11.4 and Security Update 2016-002 is now available and addresses code execution, memory corruption, and various other vulnerabilities.