CVE-2021-22441 Explained : Impact and Mitigation

Some Huawei products running HarmonyOS 2.0 are affected by an integer overflow vulnerability. Exploiting this issue could result in a kernel crash.

Understanding CVE-2021-22441

This CVE identifies an integer overflow vulnerability in Huawei products utilizing HarmonyOS 2.0.

What is CVE-2021-22441?

The CVE-2021-22441 pertains to an integer overflow flaw in Huawei devices powered by HarmonyOS version 2.0. This vulnerability may allow attackers to cause a kernel crash.

The Impact of CVE-2021-22441

Successful exploitation of CVE-2021-22441 could lead to a system-wide kernel crash, potentially disrupting the normal operation of the affected device.

Technical Details of CVE-2021-22441

Below are the key technical details associated with CVE-2021-22441:

Vulnerability Description

The vulnerability involves an integer overflow issue in Huawei products running HarmonyOS 2.0, which attackers may exploit to trigger a kernel crash.

Affected Systems and Versions

HarmonyOS 2.0 by Huawei is the affected version by this vulnerability, posing risks to devices operating on this specific software version.

Exploitation Mechanism

Attackers can potentially exploit this integer overflow vulnerability in Huawei HarmonyOS 2.0 by crafting specific input to trigger the flaw and cause a kernel crash.

Mitigation and Prevention

To address CVE-2021-22441 and enhance overall system security, consider the following mitigation strategies:

Immediate Steps to Take

Apply security patches and updates provided by Huawei promptly to safeguard the system against known vulnerabilities.

Long-Term Security Practices

Implement robust security practices, such as least privilege access and network segmentation, to mitigate risks associated with potential vulnerabilities.

Patching and Updates

Regularly monitor for security updates from Huawei and ensure timely installation to address known vulnerabilities and strengthen system security.