An elevation of privilege vulnerability in MediaTek components including the M4U driver sound driver touchscreen driver GPU driver and Command Queue driver could enable a local malicious application to execute arbitrary code within the context of the kernel. This issue is rated as Critical due to the possibility of a local permanent device compromise which may require reflashing the operating system to repair the device. Product: Android. Versions: N/A. Android ID: A-31822282. References: M-ALPS02992041.