CVE-2026-45197

LowCVSS 2.5/10Last modified Sep 8, 2026

Description

Kernel software installed and running inside a Guest VM may post improper commands to the GPU Firmware to trigger a read and/or write data outside the Guest's virtualised GPU memory.

The firmware uses data provided by the Guest VM to set up accesses to memory. It validated this before use, but a TOCTOU bug was present which allowed the earlier check results to be invalidated.

Metrics

CVSS 3.1 2.5/10CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N

Weakness enumeration

CWE-367

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

No affected versions have been published.

Timeline

Published: Sep 4, 2026
Last modified: Sep 8, 2026
NVD status: Awaiting Analysis

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