Learn about CVE-2021-30272, a null pointer dereference vulnerability in multiple Qualcomm products. This high-severity issue can lead to denial of service. Find out how to mitigate the risk.
This article provides detailed information about CVE-2021-30272, a vulnerability identified in various Qualcomm products.
Understanding CVE-2021-30272
CVE-2021-30272 is a possible null pointer dereference vulnerability found in multiple Qualcomm product lines, such as Snapdragon Auto, Snapdragon Compute, and more.
What is CVE-2021-30272?
The vulnerability stems from a lack of validation of user-provided input in thread cache operation handlers within the affected Qualcomm products.
The Impact of CVE-2021-30272
With a CVSS base score of 7.3 categorized as 'HIGH' severity, this vulnerability could lead to a denial of service due to a possible null pointer dereference in the kernel.
Technical Details of CVE-2021-30272
This section outlines the key technical aspects of CVE-2021-30272.
Vulnerability Description
The vulnerability arises from a lack of input validation in thread cache operation handlers, potentially resulting in a null pointer dereference.
Affected Systems and Versions
Qualcomm products affected by this vulnerability include a wide range of versions across various product lines, such as Snapdragon Auto, Snapdragon Compute, and more.
Exploitation Mechanism
The vulnerability can be exploited by manipulating user input to trigger a null pointer dereference in the affected Qualcomm products.
Mitigation and Prevention
To address CVE-2021-30272, immediate steps and long-term security practices are crucial.
Immediate Steps to Take
Users are advised to apply relevant security patches provided by Qualcomm to mitigate the vulnerability.
Long-Term Security Practices
Incorporating robust input validation mechanisms and monitoring user input can enhance overall system security against similar vulnerabilities.
Patching and Updates
Regularly updating the affected Qualcomm products with the latest patches and firmware releases is essential to prevent exploitation of this vulnerability.