CVE-2022-42255 : What You Need to Know

A vulnerability has been identified in the NVIDIA GPU Display Driver for Linux, potentially leading to denial of service, information disclosure, or data tampering.

Understanding CVE-2022-42255

This CVE involves an out-of-bounds array access in the kernel mode layer of the NVIDIA GPU Display Driver for Linux.

What is CVE-2022-42255?

The vulnerability in the NVIDIA GPU Display Driver for Linux could allow attackers to trigger denial of service, expose sensitive information, or manipulate data.

The Impact of CVE-2022-42255

With this vulnerability, threat actors can exploit the driver to disrupt services, extract confidential data, or tamper with information.

Technical Details of CVE-2022-42255

The following technical aspects are associated with CVE-2022-42255:

Vulnerability Description

An out-of-bounds array access in the kernel mode layer (nvidia.ko) may result in denial of service, information disclosure, or data tampering.

Affected Systems and Versions

Affected Vendor: NVIDIA
Affected Products: vGPU software (guest driver) - Linux, vGPU software (Virtual GPU Manager), NVIDIA Cloud Gaming (guest driver), NVIDIA Cloud Gaming (Virtual GPU Manager)
Vulnerable Versions: All versions prior to and including 14.2, 13.4, and 11.9, and all versions prior to the November 2022 release

Exploitation Mechanism

The vulnerability can be exploited through an out-of-bounds array access in the kernel mode layer of the NVIDIA GPU Display Driver for Linux.

Mitigation and Prevention

To secure systems from CVE-2022-42255, adopt the following measures:

Immediate Steps to Take

Apply security patches released by NVIDIA promptly.
Monitor vendor advisories for updated information and guidance.

Long-Term Security Practices

Regularly update and maintain the NVIDIA GPU Display Driver for Linux.
Conduct security assessments and audits to identify and remediate vulnerabilities.

Patching and Updates

Download and apply the latest patches provided by NVIDIA to address the vulnerability.