GPU DDK – Kernel heap OOB write in PMRChangeSparseMemOSMem due to incorrect physical page translation from virtual page indexes_CVE-2026-34195

{
    "lastseen": "",
    "description": "Software installed and run as a non-privileged user may conduct intentional GPU sparse memory API calls to cause out of bounds write in the kernel.\n\n\n\nThe product incorrectly indexes internal state when performing sparse allocation remapping.",
    "published": "2026-06-12T21:43:40.618Z",
    "modified": "2026-06-15T19:27:12.847Z",
    "type": "cve",
    "title": "GPU DDK - Kernel heap OOB write in PMRChangeSparseMemOSMem due to incorrect physical page translation from virtual page indexes",
    "source": "imaginationtech",
    "references": "https://www.imaginationtech.com/gpu-driver-vulnerabilities/",
    "id": "CVE-2026-34195",
    "bulletinFamily": "",
    "cwe": [
        "CWE-787"
    ],
    "cvelist": null,
    "sourceData": "Imagination Technologies Graphics DDK 24.2 RTM\nImagination Technologies Graphics DDK 25.1 RTM",
    "sourceHref": "",
    "cvss": {
        "score": 8.8,
        "severity": "HIGH",
        "vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
        "version": "3.1"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
            "attackVector": "",
            "attackComplexity": "",
            "privilegesRequired": "",
            "userInteraction": "",
            "scope": "",
            "confidentialityImpact": "",
            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "Graphics DDK",
    "version": "1.18 RTM",
    "vendor": "Imagination Technologies",
    "ai_description": "Kernel heap out-of-bounds write vulnerability due to incorrect physical page translation from virtual page indexes in the GPU DDK",
    "ai_severity": "High",
    "ai_vendor": "Imagination Technologies",
    "ai_product": "Graphics DDK",
    "ai_version": "24.2 RTM, 25.1 RTM",
    "ai_score": 8.8
}