CVE-2021-35095 : What You Need to Know

A detailed overview of CVE-2021-35095 focusing on the impact, technical details, and mitigation strategies.

Understanding CVE-2021-35095

CVE-2021-35095 is a vulnerability related to the improper serialization of message queue client registration in Snapdragon Connectivity and Snapdragon Mobile.

What is CVE-2021-35095?

The vulnerability in Qualcomm's products can result in a race condition, allowing multiple clients to register with the same label.

The Impact of CVE-2021-35095

With a CVSS base score of 8.4 (High severity), this vulnerability can lead to high impacts on confidentiality, integrity, and availability when exploited.

Technical Details of CVE-2021-35095

This section delves into the specifics of the vulnerability, including its description, affected systems, and the exploitation mechanism.

Vulnerability Description

The flaw arises from improper serialization of message queue client registration, creating a race condition for multiple clients to register under the same label.

Affected Systems and Versions

Products such as Snapdragon Connectivity and Snapdragon Mobile are affected, including versions AR8035, QCA8081, QCA8337, SD 8 Gen1 5G, SDX65, WCD9380, WCN6855, WCN6856, WSA8830, and WSA8835.

Exploitation Mechanism

The vulnerability can be exploited locally under low attack complexity, with no privileges required but leading to high impacts on confidentiality, integrity, and availability.

Mitigation and Prevention

This section outlines steps to mitigate the risks associated with CVE-2021-35095 and prevent potential exploitation.

Immediate Steps to Take

Immediate action should include applying patches or updates provided by Qualcomm and monitoring for any unauthorized access or unusual activity on the affected systems.

Long-Term Security Practices

Implementing robust security practices such as regular security audits, network segmentation, and access control can enhance the overall security posture.

Patching and Updates

Regularly update the affected systems with the latest security patches and recommendations from Qualcomm to address the vulnerability effectively.