CVE-2021-1086 Explained : Impact and Mitigation
Discover the impact and technical details of CVE-2021-1086, a high-severity vulnerability in NVIDIA Virtual GPU Software versions 8.x, 11.x, and 12.x. Learn how to mitigate and prevent exploitation.
NVIDIA Virtual GPU Software, specifically the vGPU driver, has been found to contain a vulnerability in the Virtual GPU Manager (vGPU plugin), allowing unauthorized control over resources by guests. This security flaw affects versions 12.x (prior to 12.2), 11.x (prior to 11.4), and 8.x (prior to 8.7).
Understanding CVE-2021-1086
This section will provide insights into the nature and impact of the CVE-2021-1086 vulnerability.
What is CVE-2021-1086?
The CVE-2021-1086 vulnerability resides in the NVIDIA vGPU driver, specifically in the Virtual GPU Manager, enabling guests to manipulate unauthorized resources, potentially leading to integrity and confidentiality breaches or information disclosure.
The Impact of CVE-2021-1086
The impact of this vulnerability is rated high based on the CVSS v3.1 scoring, with significant implications for integrity, confidentiality, and potentially exposing sensitive information.
Technical Details of CVE-2021-1086
In this section, we will delve into the technical aspects of CVE-2021-1086.
Vulnerability Description
The vulnerability allows guests to control unauthorized resources within the Virtual GPU Manager plugin.
Affected Systems and Versions
NVIDIA Virtual GPU Software versions 12.x (prior to 12.2), 11.x (prior to 11.4), and 8.x (prior to 8.7) are affected by this security flaw.
Exploitation Mechanism
The vulnerability can be exploited by malicious guests to gain control over resources they are not authorized to manipulate.
Mitigation and Prevention
This section covers the necessary steps to mitigate and prevent exploitation of CVE-2021-1086.
Immediate Steps to Take
Users and administrators are advised to apply security patches and updates promptly to address the vulnerability.
Long-Term Security Practices
Implementing strict access control policies and monitoring guest activity can help prevent unauthorized resource manipulation.
Patching and Updates
Regularly check for updates from NVIDIA and apply patches as soon as they are available to safeguard against CVE-2021-1086.