CVE-2021-1121

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-10-29 · updated 2026-06-17
Weakness: CWE-770

Description

NVIDIA vGPU software contains a vulnerability in the Virtual GPU Manager kernel driver, where a vGPU can cause resource starvation among other vGPUs hosted on the same GPU, which may lead to denial of service.

Affected products

NVIDIA Virtual GPU Software: from 8.0 before 8.9; from 11.0 before 11.6; from 12.0 before 12.4; from 13.0 before 13.1 — fixed in 11.6, 12.4, 13.1, 8.9

How to fix

Upgrade to a fixed version: NVIDIA Virtual GPU Software 11.6, 12.4, 13.1, 8.9. Check the vendor advisory for mitigations.

References

https://nvidia.custhelp.com/app/answers/detail/a_id/5230
https://nvidia.custhelp.com/app/answers/detail/a_id/5230

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