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.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Android | 11.0 (including) | 11.0 (including) | |
| Android | 12.0 (including) | 12.0 (including) | |
| Android | 12.1 (including) | 12.1 (including) | |
| Android | 13.0 (including) | 13.0 (including) |
References
- https://android.googlesource.com/platform/frameworks/base/+/badb243574d7fca9aa89152d9d25eeb4f8615385
- https://source.android.com/security/bulletin/2023-08-01
- https://android.googlesource.com/platform/frameworks/base/+/badb243574d7fca9aa89152d9d25eeb4f8615385
- https://source.android.com/security/bulletin/2023-08-01