CVE-2021-0978

In getSerialForPackage of DeviceIdentifiersPolicyService.java, there is a possible way to determine whether an app is installed, without query permissions, due to side channel information disclosure. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-192587406

• CWE-862

• https://source.android.com/security/bulletin/pixel/2021-12-01Patch, Vendor Advisory
• https://source.android.com/security/bulletin/pixel/2021-12-01Patch, Vendor Advisory

Published

Dec 15, 2021

Last Modified

Jun 17, 2026

Status

Modified

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