x86/CPU/AMD: Prevent improper isolation of shared resources in Zen2’s op cache_CVE-2026-46174

{
    "lastseen": "",
    "description": "In the Linux kernel, the following vulnerability has been resolved:\n\nx86/CPU/AMD: Prevent improper isolation of shared resources in Zen2's op cache\n\nMake sure resources are not improperly shared in the op cache and\ncause instruction corruption this way.",
    "published": "2026-05-28T09:36:28.703Z",
    "modified": "2026-05-30T10:48:38.525Z",
    "type": "cve",
    "title": "x86/CPU/AMD: Prevent improper isolation of shared resources in Zen2's op cache",
    "source": "Linux",
    "references": "https://git.kernel.org/stable/c/1e23b30a80b14e5764657401ee2cca030525ae8e\nhttps://git.kernel.org/stable/c/f5bc3aef7df46eaaf423d7413ab8833f704ae576\nhttps://git.kernel.org/stable/c/251497955f2314cd39d43191e81c6151dead4c7b\nhttps://git.kernel.org/stable/c/ff6fc65b3bf73acc5ee71919154d830ad5431362\nhttps://git.kernel.org/stable/c/9109489cc8c34e50d15575a3d1ff82af586bc1aa\nhttps://git.kernel.org/stable/c/28f5ed477eef166d678d6966762cbc1de9b4f436\nhttps://git.kernel.org/stable/c/1cd85a19748b2407830376a5cbae5c0f126016e5\nhttps://git.kernel.org/stable/c/c21b90f77687075115d989e53a8ec5e2bb427ab1",
    "id": "CVE-2026-46174",
    "bulletinFamily": "",
    "cwe": null,
    "cvelist": null,
    "sourceData": "Linux Linux f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9\nLinux Linux f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9\nLinux Linux f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9\nLinux Linux f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9\nLinux Linux f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9\nLinux Linux f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9\nLinux Linux f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9\nLinux Linux f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9\nLinux Linux 5abd1583e06b3963e5c9d915760367de86808b78\nLinux Linux 4ba461d426490b6ed7e8298c4d3b7a13aa5d2686\nLinux Linux 5a63725cd18fcee2af6ec46ccb856b64ad3077b4\nLinux Linux 3.16.58\nLinux Linux 4.4.144\nLinux Linux 4.9.102\nLinux Linux 4.14",
    "sourceHref": "",
    "cvss": {
        "score": 8.8,
        "severity": "HIGH",
        "vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/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": "f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9",
    "vendor": "Linux",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}