CVE-2022-25746 Explained : Impact and Mitigation
Learn about CVE-2022-25746, a high-severity memory corruption vulnerability in Qualcomm Snapdragon products, impacting confidentiality, integrity, and availability. Find mitigation steps here.
This article provides detailed information about CVE-2022-25746, a vulnerability affecting Qualcomm Snapdragon products.
Understanding CVE-2022-25746
CVE-2022-25746 is a memory corruption vulnerability in the kernel of Qualcomm Snapdragon products due to missing checks when updating the access rights of a memextent mapping.
What is CVE-2022-25746?
The vulnerability in the kernel of Snapdragon products can be exploited by an attacker to corrupt memory due to insufficient checks, leading to potential security risks.
The Impact of CVE-2022-25746
The impact of CVE-2022-25746 is rated as high severity by CVSS with a base score of 8.1. It affects confidentiality, integrity, and availability of the affected systems, requiring high privileges to exploit.
Technical Details of CVE-2022-25746
This section covers the technical aspects of the vulnerability including the description, affected systems and versions, and the exploitation mechanism.
Vulnerability Description
The vulnerability involves memory corruption in the kernel caused by missing checks when updating the access rights of a memextent mapping in Qualcomm Snapdragon products.
Affected Systems and Versions
Multiple Snapdragon products are affected including versions like AQT1000, AR8035, QCA6174A, QCA6335, SD 845, SDX55, and more as listed in the advisory.
Exploitation Mechanism
The vulnerability can be exploited locally, with a low attack complexity, but high impact on availability and integrity, requiring high privileges without user interaction.
Mitigation and Prevention
In this section, you will find guidance on immediate steps to take and long-term security practices to mitigate the risks posed by CVE-2022-25746.
Immediate Steps to Take
Users are advised to apply patches provided by Qualcomm and follow best security practices to reduce the risk of exploitation.
Long-Term Security Practices
Implementing secure coding practices, regular security updates, and monitoring for any abnormal behavior can enhance the overall security posture against such vulnerabilities.
Patching and Updates
Regularly check for security bulletins and updates from Qualcomm to address vulnerabilities such as CVE-2022-25746.