CVE-2021-22468 : Security Advisory and Response

A component of the HarmonyOS has a vulnerability that exposes sensitive information to unauthorized actors, allowing local attackers to cause kernel address leakage.

Understanding CVE-2021-22468

This CVE identifies a security flaw in HarmonyOS that can be exploited by local attackers to leak kernel addresses.

What is CVE-2021-22468?

CVE-2021-22468 refers to a vulnerability in HarmonyOS that leads to the exposure of sensitive information to unauthorized actors. This flaw enables local attackers to potentially leak kernel addresses.

The Impact of CVE-2021-22468

The impact of this CVE includes the risk of unauthorized access to sensitive information by exploiting the vulnerability. It poses a security threat to the affected systems.

Technical Details of CVE-2021-22468

This section provides a detailed overview of the vulnerability, the affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability in HarmonyOS exposes sensitive information to unauthorized actors, allowing local attackers to leak kernel addresses.

Affected Systems and Versions

HarmonyOS version 2.0 by Huawei is affected by this vulnerability.

Exploitation Mechanism

Local attackers can exploit this vulnerability to leak kernel addresses on affected HarmonyOS devices.

Mitigation and Prevention

To address CVE-2021-22468, immediate steps need to be taken along with long-term security practices and regular patching.

Immediate Steps to Take

Apply security patches provided by Huawei promptly.
Monitor for any unusual activities on the affected devices.

Long-Term Security Practices

Implement strict access controls and user permissions.
Regularly update and patch systems to prevent vulnerabilities.

Patching and Updates

Regularly check for and apply security updates and patches released by Huawei for HarmonyOS version 2.0.