CVE-2021-1906 Explained : Impact and Mitigation

This article provides detailed information about CVE-2021-1906, a vulnerability in multiple Qualcomm products that could result in new GPU address allocation failure.

Understanding CVE-2021-1906

This section delves into the nature and impact of the vulnerability.

What is CVE-2021-1906?

The CVE-2021-1906 vulnerability involves improper handling of address deregistration on failure, leading to GPU address allocation failure in various Qualcomm products.

The Impact of CVE-2021-1906

The vulnerability has a CVSS base score of 6.2 (Medium severity) with a high impact on availability. It can be exploited locally without user interaction, potentially causing significant disruptions.

Technical Details of CVE-2021-1906

This section outlines the technical aspects of the vulnerability.

Vulnerability Description

The flaw stems from errors in handling address deregistration failures, ultimately impacting the allocation of GPU addresses.

Affected Systems and Versions

Multiple Qualcomm products across different categories such as Snapdragon Auto, Compute, Connectivity, Mobile, and Wearables are affected by this vulnerability.

Exploitation Mechanism

The vulnerability can be exploited locally with minimal privileges required, emphasizing the importance of timely mitigation measures.

Mitigation and Prevention

This section focuses on strategies to address and prevent the risks associated with CVE-2021-1906.

Immediate Steps to Take

Users are advised to monitor official security bulletins from Qualcomm and apply relevant patches or updates promptly.

Long-Term Security Practices

Implementing robust security protocols, maintaining system updates, and conducting regular security audits can help prevent similar vulnerabilities.

Patching and Updates

Regularly check for security advisories and updates from Qualcomm to mitigate the CVE-2021-1906 vulnerability effectively.