CVE-2023-21281 Information

Description

In multiple functions of KeyguardViewMediator.java there is a possible failure to lock after screen timeout due to a logic error in the code. This could lead to local escalation of privilege across users with no additional execution privileges needed. User interaction is not needed for exploitation.

Reference

https://android.googlesource.com/platform/frameworks/base/+/badb243574d7fca9aa89152d9d25eeb4f8615385 https://source.android.com/security/bulletin/2023-08-01