{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-45197",
        "assignerOrgId": "367425dc-4d06-4041-9650-c2dc6aaa27ce",
        "state": "PUBLISHED",
        "assignerShortName": "imaginationtech",
        "dateReserved": "2026-05-11T10:58:04.162Z",
        "datePublished": "2026-09-04T01:53:55.981Z",
        "dateUpdated": "2026-09-04T01:53:55.981Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "367425dc-4d06-4041-9650-c2dc6aaa27ce",
                "shortName": "imaginationtech",
                "dateUpdated": "2026-09-04T01:53:55.981Z"
            },
            "title": "GPU DDK - TOCTOU affecting psFWMemContext->uiPageCatBaseRegSet",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "cweId": "CWE-367",
                            "description": "CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "impacts": [
                {
                    "capecId": "CAPEC-480",
                    "descriptions": [
                        {
                            "lang": "en",
                            "value": "CAPEC - CAPEC-480: Escaping Virtualization (Version 3.9)"
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "vendor": "Imagination Technologies",
                    "product": "Graphics DDK",
                    "platforms": [
                        "Linux",
                        "Android"
                    ],
                    "versions": [
                        {
                            "status": "affected",
                            "version": "1.18 RTM2",
                            "versionType": "custom"
                        },
                        {
                            "status": "affected",
                            "version": "23.2 RTM2",
                            "versionType": "custom"
                        },
                        {
                            "status": "affected",
                            "version": "24.2 RTM2",
                            "versionType": "custom"
                        },
                        {
                            "status": "affected",
                            "version": "25.1 RTM2",
                            "lessThanOrEqual": "25.3 RTM",
                            "versionType": "custom"
                        },
                        {
                            "status": "affected",
                            "version": "26.1 RTM1",
                            "versionType": "custom"
                        },
                        {
                            "status": "unaffected",
                            "version": "26.1 RTM2",
                            "versionType": "custom"
                        }
                    ],
                    "defaultStatus": "unknown"
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "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.\n\n\n\nThe 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.",
                    "supportingMedia": [
                        {
                            "type": "text/html",
                            "base64": false,
                            "value": "<p>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.</p><p>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.</p>"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://www.imaginationtech.com/gpu-driver-vulnerabilities/"
                }
            ],
            "source": {
                "discovery": "UNKNOWN"
            },
            "x_generator": {
                "engine": "Vulnogram 1.0.4"
            }
        }
    }
}