drivers/media/platform/msm/camera_v2/isp/msm_isp_stats_util.c in the Qualcomm components in Android before 2016-08-05 on Nexus 5 and 7 (2013) devices does not validate certain index values, which allows attackers to gain privileges via a crafted application, aka Android internal bug 28749728 and Qualcomm internal bug CR514711.
https://source.codeaurora.org/quic/la/kernel/msm/commit/?id=8d1f7531ff379befc129a6447642061e87562bca
https://source.codeaurora.org/quic/la/kernel/msm/commit/?id=7a26934e4196b4aa61944081989189d59b108768