CVE-2021-1100

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-07-21 · updated 2026-06-17

Description

NVIDIA vGPU software contains a vulnerability in the Virtual GPU Manager kernel mode driver (nvidia.ko), in which a pointer to a user-space buffer is not validated before it is dereferenced, which may lead to denial of service. This affects vGPU version 12.x (prior to 12.3), version 11.x (prior to 11.5) and version 8.x (prior 8.8).

Affected products

NVIDIA Virtual GPU Software: from 8.0 before 8.8; from 11.0 before 11.5; from 12.0 before 12.3 — fixed in 11.5, 12.3, 8.8

How to fix

Upgrade to a fixed version: NVIDIA Virtual GPU Software 11.5, 12.3, 8.8. Check the vendor advisory for mitigations.

References

https://nvidia.custhelp.com/app/answers/detail/a_id/5211
https://nvidia.custhelp.com/app/answers/detail/a_id/5211

Get alerted when CVE-2021-1100 or the next vulnerability affects your stack