In isRequestPinItemSupported of ShortcutService.java, there is a possible cross-user leak of packages in which the default launcher supports requests to create pinned shortcuts due to a permissions bypass. 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-191772737

References

• https://nvd.nist.gov/vuln/detail/CVE-2021-0979
• https://source.android.com/security/bulletin/pixel/2021-12-01