In the Android kernel in the bootloader there is a possible secure boot bypass. This could lead to local escalation of privilege with System execution privileges needed. User interaction is needed for exploitation.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-9436
Reference (s):
- https://source.android.com/security/bulletin/pixel/2019-09-01