Heap-based buffer overflow in drivers/media/platform/msm/camera_v2/sensor/actuator/msm_actuator.c in the Qualcomm components in Android before 2016-07-05 on Nexus 5 and 7 (2013) devices allows attackers to gain privileges via a crafted application, aka Android internal bug 28557260 and Qualcomm internal bug CR545979.
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.