The NVIDIA driver in the Graphics Drivers subsystem in Apple OS X before 10.11.1 allows local users to obtain sensitive information from kernel memory or cause a denial of service (out-of-bounds read and system crash) via unspecified vectors, a different vulnerability than CVE-2015-7020.
https://support.apple.com/HT205375
https://euvd.enisa.europa.eu/vulnerability/EUVD-2015-6951
http://lists.apple.com/archives/security-announce/2015/Oct/msg00005.html