CVE-2022-22566 Explained : Impact and Mitigation

A pre-boot direct memory access (DMA) vulnerability has been identified in select Dell Client Commercial and Consumer platforms, allowing an authenticated attacker with physical access to potentially execute arbitrary code on the device.

Understanding CVE-2022-22566

This section delves into the details of the CVE-2022-22566 vulnerability affecting Dell systems.

What is CVE-2022-22566?

CVE-2022-22566 pertains to a DMA vulnerability present in certain Dell platforms that enables an attacker to run arbitrary code on the device with physical access.

The Impact of CVE-2022-22566

With a CVSS base score of 6.9, this vulnerability poses a medium risk, potentially resulting in high confidentiality, integrity, and availability impact.

Technical Details of CVE-2022-22566

In this section, we explore the specifics of CVE-2022-22566.

Vulnerability Description

The vulnerability stems from an early enabled DMA device during the boot phase on affected Dell platforms.

Affected Systems and Versions

The vulnerability impacts specifically the CPG BIOS version less than 1.15, on both commercial and consumer Dell platforms.

Exploitation Mechanism

An authenticated attacker with physical access to the system can exploit this vulnerability to execute arbitrary code on the device.

Mitigation and Prevention

Discover how to address the CVE-2022-22566 vulnerability in your Dell systems.

Immediate Steps to Take

It is recommended to apply security patches as soon as they are available and limit physical access to vulnerable devices.

Long-Term Security Practices

Implementing stringent access controls, conducting regular security assessments, and educating users on physical security best practices can enhance your system's overall security.

Patching and Updates

Stay vigilant for security advisories from Dell and promptly apply any recommended patches to safeguard your systems.