CVE-2021-1085 : What You Need to Know
Learn about CVE-2021-1085 impacting NVIDIA Virtual GPU Software versions 8.x, 11.x, and 12.x. Understand the vulnerability, its impact, and mitigation steps to secure affected systems.
NVIDIA Virtual GPU Software versions 8.x, 11.x, and 12.x are affected by a vulnerability in the Virtual GPU Manager. Attackers can potentially manipulate data after validation, leading to denial of service, privileges escalation, and information disclosure.
Understanding CVE-2021-1085
This CVE impacts NVIDIA Virtual GPU Software, exposing systems to denial of service and privilege escalation risks.
What is CVE-2021-1085?
CVE-2021-1085 is a vulnerability in NVIDIA vGPU driver's Virtual GPU Manager, allowing attackers to manipulate data after validation, potentially leading to denial of service, privilege escalation, and information disclosure.
The Impact of CVE-2021-1085
The vulnerability poses a high severity risk with a CVSS base score of 7.3, affecting the confidentiality and integrity of affected systems.
Technical Details of CVE-2021-1085
This section delves into the specifics of the vulnerability.
Vulnerability Description
The vulnerability in the Virtual GPU Manager permits the writing to a shared memory location, enabling data manipulation after validation, which may result in denial of service, privilege escalation, and limited information disclosure.
Affected Systems and Versions
NVIDIA Virtual GPU Software versions 8.x (prior to 8.7), 11.x (prior to 11.4), and 12.x (prior to 12.2) are impacted by this vulnerability.
Exploitation Mechanism
With a low attack complexity and local attack vector, exploitation requires low privileges. The vulnerability does not mandate user interaction.
Mitigation and Prevention
Protecting systems against CVE-2021-1085 involves immediate actions and long-term security practices.
Immediate Steps to Take
Apply security updates promptly, monitor for unusual activities, and restrict network access to vulnerable systems.
Long-Term Security Practices
Regularly update software, employ network segmentation, conduct security assessments, and train employees on cybersecurity best practices.
Patching and Updates
Refer to NVIDIA's official advisory for patching details, ensuring that all affected versions are promptly updated.