CVE-2014-7921

mediaserver in Android 4.0.3 through 5.x before 5.1 allows attackers to gain privileges. NOTE: This is a different vulnerability than CVE-2014-7920.

Date published : 2017-04-13

https://android.googlesource.com/platform/frameworks/av/+/36d1577%5E%21/

https://bits-please.blogspot.com/2016/01/android-privilege-escalation-to.html