PT-2021-13447 · Google · Android Kernel

Published 2021-12-15 · Updated 2021-12-20 · CVE-2021-1046

Positive Technologies (AI Summary)

CVSS v2.0

2.1

Low

Base vector

AV:L/AC:L/Au:N/C:P/I:N/A:N

Name of the Vulnerable Software and Affected Versions Android kernel

Description The issue is related to an out of bounds read in the lwis dpm update clock function of lwis device dpm.c due to an incorrect bounds check. This could lead to local information disclosure, requiring System execution privileges for exploitation. No user interaction is needed for exploitation.

Recommendations For Android kernel, consider applying a patch to fix the incorrect bounds check in the lwis dpm update clock function as a permanent solution. As a temporary workaround, restrict access to sensitive system information to minimize the risk of exploitation.

Fix

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

CVE-2021-1046

Affected Products

Android Kernel

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2021-1046 · Security Note
• https://source.android.com/security/bulletin/pixel/2021-12-01 · Vendor Advisory
• https://t.me/cvenotify/24649 · Telegram Post