drm/amdgpu/userq: fix access to stale wptr mapping_CVE-2026-46311

{
    "lastseen": "",
    "description": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu/userq: fix access to stale wptr mapping\n\nUse drm_exec to take both locks i.e vm root bo and\nwptr_obj bo to access the mapping data properly.\n\nThis fixes the security issue of unmap the wptr_obj while\na queue creation is in progress and passing other\nbo at same address.\n\n(cherry picked from commit 1fc6c8ab45dbee096469c08c13f6099d57a52d6c)",
    "published": "2026-06-08T15:50:41.866Z",
    "modified": "2026-06-14T04:30:09.270Z",
    "type": "cve",
    "title": "drm/amdgpu/userq: fix access to stale wptr mapping",
    "source": "Linux",
    "references": "https://git.kernel.org/stable/c/336a9186f3a4b65bbd865d93936605ac8a1a3991\nhttps://git.kernel.org/stable/c/6da7b1242da4455b11c24ce667d1cab1a348c8ea",
    "id": "CVE-2026-46311",
    "bulletinFamily": "",
    "cwe": null,
    "cvelist": null,
    "sourceData": "Linux Linux 5fb2f7fc21a3668e5794cc0d153641b9719713e1\nLinux Linux 5fb2f7fc21a3668e5794cc0d153641b9719713e1\nLinux Linux 6.16",
    "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": "",
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            "baseScore": 0,
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            "privilegesRequired": "",
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            "confidentialityImpact": "",
            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "Linux",
    "version": "5fb2f7fc21a3668e5794cc0d153641b9719713e1",
    "vendor": "Linux",
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    "ai_score": 0
}