PT-2022-11019 · Google · Android

Published 2022-03-30 · Updated 2022-04-05 · CVE-2021-39741

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Android versions prior to Android-12L

Description The issue is related to a missing bounds check in Keymaster, which could lead to a possible out of bounds write. This could result in local escalation of privilege, with System execution privileges needed. User interaction is not required for exploitation.

Recommendations For Android versions prior to Android-12L, update to Android-12L or a later version to resolve the issue.

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2021-39741

Affected Products

Android

References · 3

• https://osv.dev/vulnerability/CVE-2021-39741 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-39741 · Security Note
• https://source.android.com/security/bulletin/android-12l · Vendor Advisory