CVE-2021-1103 : Security Advisory and Response

NVIDIA vGPU software versions 8.x, 11.x, and 12.x (before 8.8, 11.5, and 12.3 respectively) are impacted by a vulnerability that allows the Virtual GPU Manager to dereference a NULL pointer, potentially leading to a denial of service.

Understanding CVE-2021-1103

This section provides an insight into the vulnerability and its repercussions.

What is CVE-2021-1103?

CVE-2021-1103 is a vulnerability in the NVIDIA Virtual GPU Software that can result in a denial of service due to dereferencing a NULL pointer.

The Impact of CVE-2021-1103

The vulnerability in the vGPU plugin can severely affect the availability of systems running the affected NVIDIA vGPU software versions.

Technical Details of CVE-2021-1103

Explore the technical aspects associated with CVE-2021-1103.

Vulnerability Description

The vulnerability lies in the Virtual GPU Manager (vGPU plugin) of NVIDIA vGPU software, where a NULL pointer is improperly handled, leading to potential denial of service.

Affected Systems and Versions

NVIDIA Virtual GPU Software versions 8.x (before 8.8), 11.x (before 11.5), and 12.x (before 12.3) are impacted by this vulnerability.

Exploitation Mechanism

The vulnerability allows local attackers with high privileges to exploit the NULL pointer dereference flaw, impacting the availability of the system.

Mitigation and Prevention

Discover the steps to mitigate the risks associated with CVE-2021-1103.

Immediate Steps to Take

Implement immediate measures to secure systems running the affected NVIDIA vGPU software versions. Consider applying relevant patches as soon as possible.

Long-Term Security Practices

Ensure ongoing monitoring, regular system updates, and security protocols to prevent similar vulnerabilities and enhance overall system security.

Patching and Updates

Install the necessary updates provided by NVIDIA to address the vulnerability and enhance the security posture of the affected systems.