ubuntu_osv/UBUNTU-CVE-2015-8939
drivers/video/msm/mdp4_util.c in the Qualcomm components in Android before 2016-08-05 on Nexus 7 (2013) devices does not validate r stages, g stages, or b stages data, which allows attackers to gain privileges via a crafted application, aka Android internal bug 28398884 and Qualcomm internal bug CR779021.