CVE-2021-1094 : Exploit Details and Defense Strategies
Learn about CVE-2021-1094 affecting NVIDIA GPU Display Driver, leading to denial of service or information disclosure. Find mitigation steps and long-term security practices.
NVIDIA GPU Display Driver for Windows and Linux has a vulnerability in the kernel mode layer that could lead to denial of service or information disclosure.
Understanding CVE-2021-1094
This CVE affects NVIDIA GPU Display Driver for both Windows and Linux operating systems. The vulnerability lies in the kernel mode layer handler for DxgkDdiEscape.
What is CVE-2021-1094?
The vulnerability in CVE-2021-1094 allows for an out-of-bounds array access in the kernel mode layer, specifically in nvlddmkm.sys, which can result in denial of service or information disclosure.
The Impact of CVE-2021-1094
The impact of this vulnerability is rated as MEDIUM. It has a CVSS base score of 6.1, indicating a potential denial of service or information disclosure risk.
Technical Details of CVE-2021-1094
This section provides more insight into the vulnerability.
Vulnerability Description
The vulnerability stems from an out-of-bounds array access in the DxgkDdiEscape handler in the kernel mode layer (nvlddmkm.sys) of the NVIDIA GPU Display Driver for Windows and Linux.
Affected Systems and Versions
All versions of the NVIDIA GPU Display Driver are affected by this vulnerability.
Exploitation Mechanism
The exploitation of this vulnerability may allow attackers to trigger denial of service or extract sensitive information due to the out-of-bounds array access in the kernel mode layer.
Mitigation and Prevention
It is crucial to take immediate action to mitigate and prevent exploitation of CVE-2021-1094.
Immediate Steps to Take
Ensure you update to the latest version of the NVIDIA GPU Display Driver to patch the vulnerability. Monitor official sources for security advisories and apply patches promptly.
Long-Term Security Practices
Regularly update your GPU drivers and keep system software up-to-date to prevent vulnerabilities. Implement security best practices and network segmentation to reduce attack surfaces.
Patching and Updates
Stay informed about security updates from NVIDIA and promptly apply patches to prevent exploitation of known vulnerabilities.