QSEE privilege escalation vulnerability and exploit
bits-please.blogspot.com
bits-please.blogspot.com
Anyway, this specific issue has already been fixed (but there are probably more bugs lurking either there on in other trustlets).
People are trusting their phones to keep their business and private data safe. It is unacceptable to expose 2 billion devices to extra-privileged vulnerabilities to appease some MPAA executives in their completely ineffectual schemes to control how the world consumes content.