CVE-2021-1927 : Vulnerability Insights and Analysis

This article discusses the vulnerability in Qualcomm products that could lead to possible use after free due to a lack of null check in the FastRPC driver. It affects various Snapdragon devices across multiple categories.

Understanding CVE-2021-1927

This section provides insights into the impact and technical details of CVE-2021-1927.

What is CVE-2021-1927?

The vulnerability in Qualcomm products could result in a use-after-free scenario due to insufficient null checking while freeing memory in the FastRPC driver.

The Impact of CVE-2021-1927

The vulnerability poses a high risk with a CVSS base score of 8.4, affecting a wide range of Snapdragon devices in different sectors.

Technical Details of CVE-2021-1927

Explore specific technical aspects of the vulnerability for a better understanding.

Vulnerability Description

The issue arises from a lack of null checks during memory freeing in the FastRPC driver, potentially leading to a use-after-free condition.

Affected Systems and Versions

Multiple Snapdragon devices from various categories including Compute, Mobile, Connectivity, and more are impacted by this vulnerability.

Exploitation Mechanism

The vulnerability can be exploited locally without the need for any special privileges, making it a crucial security concern.

Mitigation and Prevention

Discover the necessary steps to mitigate and prevent exploitation of CVE-2021-1927.

Immediate Steps to Take

Users are advised to apply security patches promptly and follow recommended security practices to mitigate the risk.

Long-Term Security Practices

It is essential to keep devices up to date, employ proper access controls, and regularly monitor for any suspicious activities to enhance long-term security.

Patching and Updates

Qualcomm has released security bulletins addressing this vulnerability. Ensure all affected devices are updated with the latest patches to prevent exploitation.