In runDumpHeap of ActivityManagerShellCommand.java, there is a possible deletion of system files due to a confused deputy. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-9 Android-10 Android-11 Android-8.1Android ID: A-183262161

References

• https://nvd.nist.gov/vuln/detail/CVE-2021-0708
• https://source.android.com/security/bulletin/2021-10-01