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 does not validate direction and step parameters, which allows attackers to gain privileges via a crafted application, aka Android internal bug 28431531 and Qualcomm internal bug CR511349.
Weaknesses in this category are related to the management of permissions, privileges, and other security features that are used to perform access control.