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.

CVSS v3 7.8 HIGH

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://www.imaginationtech.com/gpu-driver-vulnerabilities/	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

OR	cpe:2.3:a:imaginationtech:ddk::::::::
	cpe:2.3:a:imaginationtech:ddk:26.1:rtm1::::::

OR	cpe:2.3:o:google:android:-:::::::*
	cpe:2.3:o:linux:linux_kernel:-:::::::*

History

No history.

Information

Published : 2026-07-10 21:16

Updated : 2026-08-12 17:34

NVD link : CVE-2026-45203

Mitre link : CVE-2026-45203

CVE.ORG link : CVE-2026-45203

JSON object : View

Products Affected

linux

linux_kernel

imaginationtech

ddk

google

android

CWE

CWE-367

Time-of-check Time-of-use (TOCTOU) Race Condition

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