CVE-2021-39973 : Security Advisory and Response

This CVE-2021-39973 article provides details about a Null pointer dereference vulnerability affecting Huawei devices.

Understanding CVE-2021-39973

CVE-2021-39973 is a vulnerability in Huawei devices that may lead to kernel breakdown when exploited.

What is CVE-2021-39973?

This CVE involves a Null pointer dereference in Smartphones, where successful exploitation can cause the kernel to break down.

The Impact of CVE-2021-39973

If exploited, this vulnerability can potentially lead to a kernel breakdown on affected Huawei devices.

Technical Details of CVE-2021-39973

This section covers the specific technical details of the CVE.

Vulnerability Description

The vulnerability involves a Null pointer dereference issue in Smartphones, affecting the kernel.

Affected Systems and Versions

The following Huawei products and versions are affected:

Product: EMUI, Vendor: Huawei, Version: 11.0.0
Product: Magic UI, Vendor: Huawei, Version: 4.0.0
Product: HarmonyOS, Vendor: Huawei, Version: 2.0

Exploitation Mechanism

Successful exploitation of this vulnerability can lead to the kernel breaking down on the affected Huawei devices.

Mitigation and Prevention

Here are the steps to mitigate and prevent the CVE-2021-39973 vulnerability.

Immediate Steps to Take

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

Long-Term Security Practices

Conduct regular security assessments and audits on Huawei devices.
Implement secure coding practices to prevent similar vulnerabilities.

Patching and Updates

Ensure timely application of security patches released by Huawei to address the CVE-2021-39973 vulnerability.