In cdev_get of char_dev.c, there is a possible use-after-free due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10Android ID: A-153467744
https://source.android.com/security/bulletin/pixel/2020-06-01
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00047.html
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html