In injectInputEventToInputFilter of AccessibilityManagerService.java, there is a possible arbitrary input event injection due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
https://source.android.com/security/bulletin/2024-02-01
https://android.googlesource.com/platform/frameworks/base/+/3e88d987235f5a2acd50a9b6bad78dbbf39cb079