drm/amdgpu/vcn4: Prevent OOB reads when parsing IB_CVE-2026-46204

{
    "lastseen": "",
    "description": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu/vcn4: Prevent OOB reads when parsing IB\n\nRewrite the IB parsing to use amdgpu_ib_get_value() which handles the\nbounds checks.",
    "published": "2026-05-28T09:40:21.933Z",
    "modified": "2026-05-30T10:49:05.786Z",
    "type": "cve",
    "title": "drm/amdgpu/vcn4: Prevent OOB reads when parsing IB",
    "source": "Linux",
    "references": "https://git.kernel.org/stable/c/1dc005775fb5b3f86464406452b17364f85581d3\nhttps://git.kernel.org/stable/c/d0802a8877d730260d4af4dd4e0b6cde7e0e593f\nhttps://git.kernel.org/stable/c/a6d5563ba1f03a049561cd347574613167294e8d\nhttps://git.kernel.org/stable/c/5c3e8ebad0c9e2354ddfa8f2148dc4f70a3b4bd1\nhttps://git.kernel.org/stable/c/2444eb0ec8283f4a3845eb7febad378476e1ba3c",
    "id": "CVE-2026-46204",
    "bulletinFamily": "",
    "cwe": null,
    "cvelist": null,
    "sourceData": "Linux Linux 0b15205c7325dc20b7da0068307670d222d66949\nLinux Linux 0b15205c7325dc20b7da0068307670d222d66949\nLinux Linux 0b15205c7325dc20b7da0068307670d222d66949\nLinux Linux 0b15205c7325dc20b7da0068307670d222d66949\nLinux Linux 0b15205c7325dc20b7da0068307670d222d66949\nLinux Linux 6.0",
    "sourceHref": "",
    "cvss": {
        "score": 7.1,
        "severity": "HIGH",
        "vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
        "version": "3.1"
    },
    "cvss2": [],
    "cvss3": {
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        "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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        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "Linux",
    "version": "0b15205c7325dc20b7da0068307670d222d66949",
    "vendor": "Linux",
    "ai_description": "",
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    "ai_score": 0
}