Multiple MediaTek chipsaudio DSP input validation error vulnerability

MediaTek Inc. is the world’s fourth largest fab semiconductor company and a market leader in mobile devices, smart home applications, wireless connectivity technologies and IoT products, with approximately 1.5 billion units of MediaTek chips built into end products marketed around the world each year. A number of MediaTek chip audio DSPs are vulnerable to an input validation error, which stems from a lack of boundary checking. An attacker could exploit the vulnerability to perform local privilege elevation without requiring user interaction.