In is_device_locked and set_device_locked of keystore_keymaster_enforcement.h, there is a possible bypass of lockscreen requirements for keyguard bound keys due to a race condition. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android; Versions: Android-10, Android-11; Android ID: A-169933423.
References
Link Resource
https://source.android.com/security/bulletin/2021-01-01 Patch Vendor Advisory
History

No history.

cve-icon MITRE Information

Status: PUBLISHED

Assigner: google_android

Published: 2021-01-11T21:48:05

Updated: 2021-01-11T21:48:05

Reserved: 2020-11-06T00:00:00


Link: CVE-2021-0320

JSON object: View

cve-icon NVD Information

Status : Analyzed

Published: 2021-01-11T22:15:13.690

Modified: 2021-01-13T16:45:31.333


Link: CVE-2021-0320

JSON object: View

cve-icon Redhat Information

No data.

CWE