services/audioflinger/Effects.cpp in mediaserver in Android 4.x before 4.4.4 5.0.x before 5.0.2 5.1.x before 5.1.1 6.x before 2016-10-01 and 7.0 before 2016-10-01 does not validate EFFECT_CMD_SET_PARAM and EFFECT_CMD_SET_PARAM_DEFERRED commands which allows attackers to obtain sensitive information via a crafted application aka internal bug 30204301.