CVE-2021-1076: 
NVIDIA Graphics Driver vulnerability analysis and mitigation

NVIDIA GPU Display Driver for Windows and Linux, all versions, contains a vulnerability in the kernel mode layer (nvlddmkm.sys or nvidia.ko) identified as CVE-2021-1076. The vulnerability was disclosed in April 2021 and affects NVIDIA's graphics drivers across multiple product lines including GeForce, NVIDIA RTX/Quadro, NVS, and Tesla (NVIDIA Bulletin).

The vulnerability exists in the kernel mode layer where improper access control implementation could lead to security issues. The vulnerability has been assigned a CVSS v3.1 base score of 6.6 with the vector AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H, indicating local access required with low attack complexity and privileges required (NVIDIA Bulletin).

If exploited, this vulnerability could result in denial of service, information disclosure, or data corruption on affected systems (NVIDIA Bulletin).

NVIDIA has released security updates to address this vulnerability across multiple driver branches. For Windows, updates are available in R465/R418 (466.11), R460/R450 (462.31/452.96), and R390 (392.65) branches. For Linux, fixes are available in R465 (465.24.02), R460 (460.73.01), R450 (450.119.03), R418 (418.197.02), and R390 (390.143) branches (NVIDIA Bulletin).