CVE-2022-40533 : Security Advisory and Response
Learn about CVE-2022-40533, a Qualcomm Snapdragon vulnerability leading to Transient DOS via untrusted Pointer Dereference in the core. Find impact, affected systems, and mitigation steps.
This CVE-2022-40533 pertains to a vulnerability found in Qualcomm's Snapdragon products. The flaw involves a Transient DOS caused by an untrusted Pointer Dereference in the core when sending USB QMI request.
Understanding CVE-2022-40533
This section delves into the details of the vulnerability, its impact, technical aspects, and mitigation strategies.
What is CVE-2022-40533?
The CVE-2022-40533 vulnerability leads to Transient DOS due to an untrusted Pointer Dereference in the core when sending USB QMI request.
The Impact of CVE-2022-40533
The vulnerability poses a medium security risk, with a CVSS V3.1 base score of 6.2. It has a low attack complexity and a local attack vector, resulting in high availability impact.
Technical Details of CVE-2022-40533
Understanding the vulnerability description, affected systems, versions, and the exploitation mechanism.
Vulnerability Description
The vulnerability arises due to an untrusted Pointer Dereference in the core while sending USB QMI request, leading to Transient DOS.
Affected Systems and Versions
Qualcomm's Snapdragon products including CSRA6620, CSRA6640, FastConnect series, Flight RB5 5G Platform, QAM series, QCA series, QCM series, QCN series, QCS series, QRB series, QSM series, Robotics RB5 Platform, Smart Audio 400 Platform, Snapdragon Mobile Platforms, etc., are affected.
Exploitation Mechanism
By exploiting the untrusted Pointer Dereference in the core through USB QMI requests, attackers can trigger an undesired system crash.
Mitigation and Prevention
Steps to take to address the CVE-2022-40533 vulnerability and enhance overall system security.
Immediate Steps to Take
- Apply patches released by Qualcomm to fix the vulnerability promptly.
- Monitor system logs for any suspicious activity related to USB interactions.
Long-Term Security Practices
- Regularly update firmware and software to stay protected from potential threats.
- Conduct regular security audits to identify and address vulnerabilities proactively.
Patching and Updates
Keep track of security advisories from Qualcomm and apply all relevant patches and updates to mitigate security risks effectively.