CVE-2022-21746 Explained : Impact and Mitigation

A detailed overview of CVE-2022-21746 focusing on the impact, technical details, and mitigation steps.

Understanding CVE-2022-21746

This section delves into the description, impact, affected systems, and exploitation mechanism of CVE-2022-21746.

What is CVE-2022-21746?

CVE-2022-21746 is a vulnerability found in imgsensor, potentially leading to local denial of service without the need for user interaction.

The Impact of CVE-2022-21746

The vulnerability poses a risk of out-of-bounds read due to a missing bounds check, requiring System execution privileges for exploitation.

Technical Details of CVE-2022-21746

Explore the vulnerability description, affected systems, and the exploitation mechanism in this section.

Vulnerability Description

The flaw in imgsensor can be exploited to cause a local denial of service, impacting Android versions 9.0 through 12.0.

Affected Systems and Versions

Products by MediaTek, Inc. including MT6771, MT6779, MT6781, MT6785, and more running Android 9.0, 10.0, 11.0, and 12.0 are affected.

Exploitation Mechanism

The vulnerability can be exploited locally without user interaction, potentially leading to denial of service incidents.

Mitigation and Prevention

Learn about the immediate steps to take and best practices for long-term security to mitigate the CVE-2022-21746 risk.

Immediate Steps to Take

Apply the provided Patch ID: ALPS06479698 to address the vulnerability and prevent potential exploitation.

Long-Term Security Practices

Implement robust security measures, conduct regular security audits, and prioritize timely patching to enhance system resilience.

Patching and Updates

Stay informed about security updates and patches released by MediaTek to safeguard against CVE-2022-21746.