In notifyTimeout of CallRedirectionProcessor, there is a possible permission bypass due to a logic error in the code. This could lead to local escalation of privilege and background activity launch 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/packages/services/Telecomm/+/a43a880beaa6a64348a1d0c821e8c7e98d741a79
- https://source.android.com/security/bulletin/2025-12-01
- https://android.googlesource.com/platform/packages/services/Telecomm/+/5b335401d1c8de7d1c85f4a0cf353f7f9fc30218
- https://source.android.com/security/bulletin/2023-10-01