CVE-2022-3628 : Security Advisory and Response
Learn about CVE-2022-3628, a buffer overflow flaw in the Linux kernel Broadcom Full MAC Wi-Fi driver, enabling local users to crash the system or escalate privileges by connecting to a malicious USB device.
A buffer overflow vulnerability has been identified in the Linux kernel Broadcom Full MAC Wi-Fi driver, allowing a local user to crash the system or escalate privileges when connecting to a malicious USB device.
Understanding CVE-2022-3628
This section provides insights into the impact, technical details, and mitigation strategies related to CVE-2022-3628.
What is CVE-2022-3628?
CVE-2022-3628 is a buffer overflow flaw in the Linux kernel Broadcom Full MAC Wi-Fi driver. It allows a local user to crash the system or escalate their privileges by connecting to a malicious USB device.
The Impact of CVE-2022-3628
The vulnerability can be exploited by a local user to cause system crashes or gain elevated privileges, posing a significant security risk to affected systems.
Technical Details of CVE-2022-3628
Explore the specifics of this vulnerability, including its description, affected systems, and exploitation mechanism.
Vulnerability Description
The buffer overflow flaw in the Linux kernel Broadcom Full MAC Wi-Fi driver arises when a user connects to a malicious USB device, potentially leading to system crashes or privilege escalation.
Affected Systems and Versions
The vulnerability impacts systems running Linux kernel 6.1-rc5, making them susceptible to exploitation by local users connecting to malicious USB devices.
Exploitation Mechanism
By exploiting this buffer overflow vulnerability, a local user can deliberately trigger system crashes or elevate their privileges, compromising system integrity.
Mitigation and Prevention
Discover the steps to mitigate the risks associated with CVE-2022-3628 and secure vulnerable systems effectively.
Immediate Steps to Take
Immediate actions include applying patches, restricting USB device access, and monitoring system activities to detect any suspicious behavior related to USB connections.
Long-Term Security Practices
Implementing stringent access controls, conducting regular security audits, and educating users on safe USB device usage are essential for long-term security.
Patching and Updates
Regularly monitor for official patches from Linux kernel updates and promptly apply them to address the CVE-2022-3628 vulnerability.