accel/ivpu: Disallow re-exporting imported GEM objects_CVE-2026-43498

{
    "lastseen": "",
    "description": "In the Linux kernel, the following vulnerability has been resolved:\n\naccel/ivpu: Disallow re-exporting imported GEM objects\n\nPrevent re-exporting of imported GEM buffers by adding a custom\nprime_handle_to_fd callback that checks if the object is imported\nand returns -EOPNOTSUPP if so.\n\nRe-exporting imported GEM buffers causes loss of buffer flags settings,\nleading to incorrect device access and data corruption.",
    "published": "2026-05-21T12:17:48.550Z",
    "modified": "2026-05-30T10:45:17.045Z",
    "type": "cve",
    "title": "accel/ivpu: Disallow re-exporting imported GEM objects",
    "source": "Linux",
    "references": "https://git.kernel.org/stable/c/3756043dd695bba34cc728cdc5688dcb49ac8043\nhttps://git.kernel.org/stable/c/7dd57d7a6350770dfc283287125c409e995200e0",
    "id": "CVE-2026-43498",
    "bulletinFamily": "",
    "cwe": null,
    "cvelist": null,
    "sourceData": "Linux Linux 57557964b582238d5ee4b8538d1c4694f91c2186\nLinux Linux 57557964b582238d5ee4b8538d1c4694f91c2186\nLinux Linux 6.19",
    "sourceHref": "",
    "cvss": {
        "score": 7.8,
        "severity": "HIGH",
        "vector": "CVSS:3.1/AV:L/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": "Linux",
    "version": "57557964b582238d5ee4b8538d1c4694f91c2186",
    "vendor": "Linux",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}