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.
Analysis
Analysis and contextual insights are available on OpenCVE Cloud.
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Imagination Technologies | Graphics DDK | unknown |
|
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No data available yet.
No vendor fix or workaround currently provided.
Additional remediation guidance may be available on OpenCVE Cloud.
Tracking
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| Link | Providers |
|---|---|
| https://www.imaginationtech.com/gpu-driver-vulnerabilities/ |
|
Fri, 04 Sep 2026 02:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | GPU DDK - TOCTOU affecting psFWMemContext->uiPageCatBaseRegSet | |
| Weaknesses | CWE-367 | |
| References |
|
Subscriptions
No data.
MITRE
Status: PUBLISHED
Assigner: imaginationtech
Published:
Updated: 2026-09-04T01:53:55.981Z
Reserved: 2026-05-11T10:58:04.162Z
Link: CVE-2026-45197
Vulnrichment
No data.
NVD
Status : Received
Published: 2026-09-04T02:17:19.003
Modified: 2026-09-04T02:17:19.003
Link: CVE-2026-45197
Redhat
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OpenCVE Enrichment
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