In the Android kernel in the synaptics_dsx_htc touchscreen driver there is a possible use after free due to improper locking. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-9273
Reference (s):
- https://source.android.com/security/bulletin/pixel/2019-09-01