CVE-2021-1100

Name: CVE-2021-1100
Creator: NVD / NIST
Published: 2021-07-21T03:15:07.113+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.27%

Last modified Jun 17, 2026

CVE-2021-1100 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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).. EPSS estimates a 0.27% chance of exploitation in the next 30 days.

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).

Metrics

CVSS 3.1

5.5/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

0.27%

19.2th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Nvidia	Virtual Gpu	>= 8.0, < 8.8
Nvidia	Virtual Gpu	>= 11.0, < 11.5
Nvidia	Virtual Gpu	>= 12.0, < 12.3

References

https://nvidia.custhelp.com/app/answers/detail/a_id/5211Patch, Vendor Advisory
https://nvidia.custhelp.com/app/answers/detail/a_id/5211Patch, Vendor Advisory

Timeline

Published: Jul 21, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-1100?

How severe is CVE-2021-1100?

CVE-2021-1100 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.27% probability of exploitation in the next 30 days.

How do I fix CVE-2021-1100?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-1100?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST