CVE-2021-40038 : Security Advisory and Response

This CVE article provides details about a Double free vulnerability in Huawei's EMUI, Magic UI, and HarmonyOS affecting certain versions.

Understanding CVE-2021-40038

This section explains the nature of the vulnerability and its potential impact.

What is CVE-2021-40038?

CVE-2021-40038 is a Double free vulnerability found in the AOD module in smartphones manufactured by Huawei. Exploiting this vulnerability successfully could compromise the integrity of services.

The Impact of CVE-2021-40038

The vulnerability could result in service disruption and potential exploitation by malicious actors, posing a risk to user data and device security.

Technical Details of CVE-2021-40038

This section delves into the technical aspects of the CVE.

Vulnerability Description

The vulnerability stems from a Double free issue within the AOD module of Huawei smartphones, leaving them susceptible to exploitation.

Affected Systems and Versions

EMUI 12.0.0, 11.0.0
Magic UI 4.0.0
HarmonyOS 2.0

Exploitation Mechanism

The vulnerability allows threat actors to execute arbitrary code on affected devices, potentially leading to service disruption and data compromise.

Mitigation and Prevention

Learn about the necessary steps to mitigate and prevent exploitation of this vulnerability.

Immediate Steps to Take

Apply security patches provided by Huawei promptly.
Monitor official Huawei security bulletins for updates.

Long-Term Security Practices

Regularly update devices with the latest software releases.
Implement robust security measures on devices to prevent unauthorized access.

Patching and Updates

Ensure timely installation of firmware updates and security patches from Huawei to address the Double free vulnerability.