drm/amdkfd: validate SVM ioctl nattr against buffer size_CVE-2026-46197

{
    "lastseen": "",
    "description": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdkfd: validate SVM ioctl nattr against buffer size\n\nValidate nattr field against the buffer size, preventing\nout-of-bounds buffer access via user-controlled attribute count.\n\n(cherry picked from commit 5eca8bfdfa456c3304ca77523718fe24254c172f)",
    "published": "2026-05-28T09:40:13.722Z",
    "modified": "2026-05-30T10:48:57.646Z",
    "type": "cve",
    "title": "drm/amdkfd: validate SVM ioctl nattr against buffer size",
    "source": "Linux",
    "references": "https://git.kernel.org/stable/c/91c6dc5a41695d02dfc6299f106ac38a6c493e52\nhttps://git.kernel.org/stable/c/ccd060b5c7cc75ae7e211c250b97c5b6272e7efc\nhttps://git.kernel.org/stable/c/db9530a9873a7c85d2266a922589ebcf427fa631\nhttps://git.kernel.org/stable/c/6abd3a4417cb73a7d0db7e25bf11fae1074bdba3\nhttps://git.kernel.org/stable/c/045e0ff208f0838a246c10204105126611b267a1",
    "id": "CVE-2026-46197",
    "bulletinFamily": "",
    "cwe": null,
    "cvelist": null,
    "sourceData": "Linux Linux 42de677f79999791bee4e21be318c32d90ab62c6\nLinux Linux 42de677f79999791bee4e21be318c32d90ab62c6\nLinux Linux 42de677f79999791bee4e21be318c32d90ab62c6\nLinux Linux 42de677f79999791bee4e21be318c32d90ab62c6\nLinux Linux 42de677f79999791bee4e21be318c32d90ab62c6\nLinux Linux 5.14",
    "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": "42de677f79999791bee4e21be318c32d90ab62c6",
    "vendor": "Linux",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}