In recent years with the popularity of mobile platform,the research of mobile security has been in fierce competition for a long time.Due to the Android platform fragmentation is serious and the quality of the security in android platforms differs greatly,which leadding to a large number of vulnerabilities found,and there are some attack surface exposure to public's vision.
We are focusing on the Android driver research and found all vendor's vulnerability,including Qualcomm,MediaTek,NVIDIA,Samsung exynos,Huawei Hisi,Xiaomi,etc.Specially we found a critical vulnerabilities that can lead to a escalation of privilege in our new attack surface.We developed exploits immediately after we found it, rooting the newest system of Google Tablet PC PIXEL C(We rooted the android 8.0 on the second day of it's released).