CVE-2021-0398: 
NixOS vulnerability analysis and mitigation

CVE-2021-0398 is a high-severity Elevation of Privilege (EoP) vulnerability affecting Android 11. The vulnerability was disclosed in March 2021 as part of Android's security bulletin and affects the Android Framework component (BleepingComputer).

The vulnerability is identified with reference number A-173516292 and has been assigned a High severity rating. It affects Android version 11 specifically. The vulnerability allows for privilege escalation within the Android Framework component (BleepingComputer).

If successfully exploited, this vulnerability could allow an attacker to perform elevation of privilege operations on affected Android devices running version 11 (BleepingComputer).

The vulnerability requires user execution privileges for exploitation. No evidence of active exploitation in the wild has been reported (BleepingComputer).

Google has released patches for this vulnerability in the March 2021 security updates. Users are advised to update their Android devices immediately to protect against this vulnerability. The security patch level dated '2021-03-01' addresses this issue (BleepingComputer).