CVE-2026-45203
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.
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Advisory coverage (1)
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[](https://www.csirts.com/cve/CVE-2026-45203)