CVE-2026-45197
Low · 2.5CVSS
2.5
EPSS
0.1%
Published
Sep 4, 2026
CISA due date
—
The record
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.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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