CVE-2021-22463 : Security Advisory and Response

A component of the HarmonyOS has a Use After Free vulnerability that local attackers can exploit to cause Kernel Information disclosure.

Understanding CVE-2021-22463

This CVE-2021-22463 impacts Huawei's HarmonyOS, specifically version 2.0.

What is CVE-2021-22463?

CVE-2021-22463 is a Use After Free vulnerability in the HarmonyOS, which can be exploited by local attackers to disclose Kernel Information.

The Impact of CVE-2021-22463

The vulnerability can lead to Kernel Information disclosure, posing a risk to the security and integrity of the affected systems.

Technical Details of CVE-2021-22463

The technical details of CVE-2021-22463 include:

Vulnerability Description

The vulnerability arises from a Use After Free issue in a component of the HarmonyOS.

Affected Systems and Versions

The vulnerability affects Huawei's HarmonyOS version 2.0.

Exploitation Mechanism

Local attackers can exploit this vulnerability to trigger the Use After Free issue and gain access to Kernel Information.

Mitigation and Prevention

To mitigate the risks associated with CVE-2021-22463, consider the following:

Immediate Steps to Take

Immediate steps should include applying security patches and updates provided by Huawei.

Long-Term Security Practices

Implementing security best practices, such as restricting access and privileges, can enhance the long-term security posture of the affected systems.

Patching and Updates

Regularly check for security bulletins and updates from Huawei to ensure that the system is protected against known vulnerabilities.