bpf: Validate node_id in arena_alloc_pages()_CVE-2026-53031

{
    "lastseen": "",
    "description": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Validate node_id in arena_alloc_pages()\n\narena_alloc_pages() accepts a plain int node_id and forwards it through\nthe entire allocation chain without any bounds checking.\n\nValidate node_id before passing it down the allocation chain in\narena_alloc_pages().",
    "published": "2026-06-24T16:29:39.043Z",
    "modified": "2026-06-28T06:38:17.067Z",
    "type": "cve",
    "title": "bpf: Validate node_id in arena_alloc_pages()",
    "source": "Linux",
    "references": "https://git.kernel.org/stable/c/31d3b4b28e55835646d6829d60023f730dd34e85\nhttps://git.kernel.org/stable/c/e15900888c09480a4c632bc598f1c5bd39bed6d6\nhttps://git.kernel.org/stable/c/fb66e20130f95a93ffea1677252526a9e39170b2\nhttps://git.kernel.org/stable/c/2845989f2ebaf7848e4eccf9a779daf3156ea0a5",
    "id": "CVE-2026-53031",
    "bulletinFamily": "",
    "cwe": null,
    "cvelist": null,
    "sourceData": "Linux Linux 317460317a02a1af512697e6e964298dedd8a163\nLinux Linux 317460317a02a1af512697e6e964298dedd8a163\nLinux Linux 317460317a02a1af512697e6e964298dedd8a163\nLinux Linux 317460317a02a1af512697e6e964298dedd8a163\nLinux Linux 6.9",
    "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": "317460317a02a1af512697e6e964298dedd8a163",
    "vendor": "Linux",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}