CVE-2021-36987 : Vulnerability Insights and Analysis

A detailed analysis of CVE-2021-36987 highlighting the vulnerability, impact, technical details, and mitigation strategies.

Understanding CVE-2021-36987

This section provides insights into the CVE-2021-36987 vulnerability affecting Huawei's EMUI and Magic UI.

What is CVE-2021-36987?

CVE-2021-36987 involves nodes in the linked list being freed multiple times in Huawei Smartphones due to race conditions, potentially leading to system restarts.

The Impact of CVE-2021-36987

Successful exploitation of this vulnerability can disrupt the normal functioning of Huawei smartphones, causing system instability and frequent reboots.

Technical Details of CVE-2021-36987

Delve into the specific technical aspects of CVE-2021-36987 to understand the vulnerability better.

Vulnerability Description

The vulnerability arises from nodes in the linked list being erroneously freed multiple times due to race conditions in Huawei smartphones, leading to system instability.

Affected Systems and Versions

EMUI versions 11.0.0 and 10.1.1, along with Magic UI versions 4.0.0 and 3.1.1 by Huawei are impacted by this vulnerability.

Exploitation Mechanism

When exploited, this vulnerability can result in the disruption of Huawei smartphone operations, causing frequent system restarts and impacting user experience.

Mitigation and Prevention

Explore the necessary steps to mitigate the risks posed by CVE-2021-36987 and safeguard Huawei smartphones.

Immediate Steps to Take

Users should apply security patches provided by Huawei promptly to prevent malicious actors from exploiting this vulnerability and causing disruptions.

Long-Term Security Practices

Employing secure coding practices, regular software updates, and maintaining device security hygiene can enhance the overall resilience of Huawei smartphones.

Patching and Updates

Huawei users are advised to stay updated with security advisories from the vendor and apply relevant patches to address CVE-2021-36987 effectively.