https://tsecurity.de/de/1559057/IT+Reverse+Engineering/Sicherheitsl%C3%BCcken/CVE-2015-6637+%7C+Google+Android+up+to+5.1.1+LMY49C%2F6.0+MediaTek+misc-sd+Driver+access+control+%28ID+25307013+%2F+BID-79842%29/