In multiple locations, there is a possible method for a malicious app to prevent dialing emergency services under limited circumstances due to a logic error in the code. This could lead to local denial of service until the phone reboots with no additional execution privileges needed. User interaction is not needed for exploitation.
https://source.android.com/security/bulletin/2025-04-01
https://android.googlesource.com/platform/frameworks/base/+/79211e094a7363f28a06cea2737aa815339911ad