Multiple MediaTek chipsaudio DSP type conversion vulnerabilities

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 a year of terminal products with MediaTek chips built into them available around the world. Several MediaTek chips audio DSP exist type conversion vulnerability, attackers can use the vulnerability in the premise of no user interaction to enhance privileges.