CVE-2026-45199: GPU DDK - rgxfw_to_ptr() does not reject FW private data pointers

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-08-21 · updated 2026-10-18
Weakness: CWE-823

Description

Kernel software installed and running inside a Guest VM may post improper commands to the GPU Firmware to trigger a write of data outside the Guest's virtualised GPU memory. Software installed and run under a Guest VM can send commands to the GPU which result in out of bounds memory accesses. These can be used to escalate privileges.

Affected products

Imagination Technologies Graphics DDK: from 25.1 RTM2 through 25.3 RTM; 1.18 RTM2, 23.2 RTM2, 24.2 RTM2

References

https://www.imaginationtech.com/gpu-driver-vulnerabilities/

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