CVE-2026-45203
High
Description
Kernel software installed and running inside a Host VM may post improper commands to the GPU Firmware to trigger a memory write outside the permitted range of memory for the host kernel. A TOCTOU bug existed where a malicious driver could modify values in memory after firmware validation but before use.
SeverityHigh
CVSS7.8
Exploit probability—
ProductImaginationtech Ddk
PublishedJul 10, 2026
First seenJul 10, 2026
Weakness typeCWE-367CWE-367
How to fix
Update
- imaginationtech ddk26.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| imaginationtech ddk | v < 26.1, 26.1 | 26.1 |
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