CVE-2021-0968: Integer Overflow

Published Dec 6, 2021

Updated

In osimalloc and osicalloc of allocator.cc, there is a possible out of bounds write due to an integer overflow. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-9Android ID: A-197868577

Affected Software

5 affected components

Google Android=9.0

Google Android=10.0

Google Android=11.0

Google Android=12.0

Google Android

Remediation

Patch Available

https://source.android.com/security/bulletin/2021-12-01

Event History

Dec 6, 2021

CVE Published

via Android·12:00 AM

Data Sourced

via Android·12:00 AM

SeverityWeaknessAffected Software

Dec 15, 2021

CVE Published

via MITRE·06:05 PM

Data Sourced

via MITRE·06:05 PM

DescriptionWeakness

Frequently Asked Questions

What is the severity of CVE-2021-0968?

CVE-2021-0968 has a high severity due to its potential for remote code execution.

How do I fix CVE-2021-0968?

To fix CVE-2021-0968, update your Android device to the latest version that includes the security patch.

Which Android versions are affected by CVE-2021-0968?

CVE-2021-0968 affects Android versions 9.0, 10.0, 11.0, and 12.0.

What are the potential consequences of exploiting CVE-2021-0968?

Exploitation of CVE-2021-0968 could lead to remote code execution without requiring any additional privileges.

Is user interaction required to exploit CVE-2021-0968?

No, user interaction is not needed to exploit CVE-2021-0968.