CVE-2023-31021: CVE

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: 2023-11-02 · updated 2026-06-17
Weakness: CWE-476

Description

NVIDIA vGPU software for Windows and Linux contains a vulnerability in the Virtual GPU Manager (vGPU plugin), where a malicious user in the guest VM can cause a NULL-pointer dereference, which may lead to denial of service.

Affected products

NVIDIA Virtual GPU Software: before 13.9; from 14.0 before 15.4; from 16.0 before 16.2 — fixed in 13.9, 15.4, 16.2

How to fix

Upgrade to a fixed version: NVIDIA Virtual GPU Software 13.9, 15.4, 16.2. Check the vendor advisory for mitigations.

References

https://nvidia.custhelp.com/app/answers/detail/a_id/5491
https://nvidia.custhelp.com/app/answers/detail/a_id/5491

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