CVE-2021-1123 : Security Advisory and Response
Learn about CVE-2021-1123, a vulnerability in NVIDIA Virtual GPU Software that could lead to denial of service. Find out the impacted versions and mitigation steps.
NVIDIA vGPU software contains a vulnerability in the Virtual GPU Manager (vGPU plugin) that can lead to a denial of service.
Understanding CVE-2021-1123
This CVE affects NVIDIA Virtual GPU Software versions 13.x (prior to 13.1), 12.x (prior to 12.4), 11.x (prior to 11.6), and 8.x (prior to 8.9).
What is CVE-2021-1123?
CVE-2021-1123 is a vulnerability in NVIDIA vGPU software that can cause a deadlock in the Virtual GPU Manager, resulting in a denial of service.
The Impact of CVE-2021-1123
The vulnerability poses a medium-severity risk with a CVSS base score of 5.5. Attackers could exploit this issue locally, causing high availability impact.
Technical Details of CVE-2021-1123
This section provides specific details about the vulnerability.
Vulnerability Description
The vulnerability in the Virtual GPU Manager plugin of NVIDIA vGPU software can deadlock, leading to denial of service.
Affected Systems and Versions
NVIDIA Virtual GPU Software versions 13.x (prior to 13.1), 12.x (prior to 12.4), 11.x (prior to 11.6), and 8.x (prior to 8.9) are impacted by this vulnerability.
Exploitation Mechanism
The vulnerability can be exploited locally, with low privileges required, and no user interaction is needed.
Mitigation and Prevention
It is essential to take immediate steps to address this security issue.
Immediate Steps to Take
Users are advised to update their NVIDIA vGPU software to the patched versions provided by NVIDIA and follow best security practices.
Long-Term Security Practices
Implementing proper security measures, such as regular software updates and monitoring, can help prevent similar vulnerabilities.
Patching and Updates
Regularly check for security updates from NVIDIA and apply patches promptly to protect systems from potential threats.