CVE-2021-1905 : What You Need to Know

This article provides detailed information about CVE-2021-1905, a vulnerability in Qualcomm products.

Understanding CVE-2021-1905

This section delves into the specifics of the CVE, including its impact, technical details, and mitigation strategies.

What is CVE-2021-1905?

The CVE-2021-1905 vulnerability involves a possible use after free due to improper handling of memory mapping of multiple processes simultaneously in various Qualcomm products.

The Impact of CVE-2021-1905

With a CVSS base score of 8.4, this vulnerability has a high severity level, impacting confidentiality, integrity, and availability of affected systems.

Technical Details of CVE-2021-1905

This section outlines the technical aspects of the CVE, including vulnerability description, affected systems, and exploitation mechanisms.

Vulnerability Description

The vulnerability arises due to improper memory mapping handling in multiple processes simultaneously, leading to potential use after free scenarios.

Affected Systems and Versions

Qualcomm products including Snapdragon Auto, Compute, Connectivity, and more are impacted by this vulnerability across various versions.

Exploitation Mechanism

The vulnerability can be exploited locally, with no special privileges required, resulting in high impacts on confidentiality, integrity, and availability.

Mitigation and Prevention

This section provides guidance on addressing the CVE and preventing potential exploitation.

Immediate Steps to Take

Users are advised to apply patches provided by Qualcomm promptly to mitigate the risk associated with CVE-2021-1905.

Long-Term Security Practices

Implementing robust security practices, such as regular system updates and security audits, can help prevent similar vulnerabilities in the future.

Patching and Updates

Regularly check for security bulletins from Qualcomm and apply patches as soon as they are released to ensure system security.