In pppol2tp_connect, there is possible memory corruption due to a use after free. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Product: Android. Versions: Android kernel. Android ID: A-38159931.
https://usn.ubuntu.com/3932-2/
https://usn.ubuntu.com/3932-1/
https://source.android.com/security/bulletin/pixel/2018-09-01