{
    "id": "CVE-2021-43267",
    "published": "2021-11-02 23:15:07",
    "last_modified": "2026-06-17 04:10:45",
    "cvss_score": "9.8",
    "cvss_severity": "CRITICAL",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
    "cwe": "CWE-1284",
    "description": "An issue was discovered in net/tipc/crypto.c in the Linux kernel before 5.14.16. The Transparent Inter-Process Communication (TIPC) functionality allows remote attackers to exploit insufficient validation of user-supplied sizes for the MSG_CRYPTO message type.",
    "epss_score": "0.57853",
    "epss_percentile": "0.99063",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-10-02 18:17:31",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "EPSS 57.9% — above the 10% action threshold."
    },
    "products": [
        {
            "vendor": "fedoraproject",
            "product": "fedora"
        },
        {
            "vendor": "linux",
            "product": "linux_kernel"
        },
        {
            "vendor": "netapp",
            "product": "h300e"
        },
        {
            "vendor": "netapp",
            "product": "h300e_firmware"
        },
        {
            "vendor": "netapp",
            "product": "h300s"
        },
        {
            "vendor": "netapp",
            "product": "h300s_firmware"
        },
        {
            "vendor": "netapp",
            "product": "h410s"
        },
        {
            "vendor": "netapp",
            "product": "h410s_firmware"
        },
        {
            "vendor": "netapp",
            "product": "h500e"
        },
        {
            "vendor": "netapp",
            "product": "h500e_firmware"
        },
        {
            "vendor": "netapp",
            "product": "h500s"
        },
        {
            "vendor": "netapp",
            "product": "h500s_firmware"
        },
        {
            "vendor": "netapp",
            "product": "h700e"
        },
        {
            "vendor": "netapp",
            "product": "h700e_firmware"
        },
        {
            "vendor": "netapp",
            "product": "h700s"
        },
        {
            "vendor": "netapp",
            "product": "h700s_firmware"
        }
    ],
    "kev_detail": null,
    "exploits": [],
    "refs_list": [
        "http://www.openwall.com/lists/oss-security/2022/02/10/1",
        "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.14.16",
        "https://github.com/torvalds/linux/commit/fa40d9734a57bcbfa79a280189799f76c88f7bb0",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CVWL7HZV5T5OEKJPO2D67RMFMKBBXGGB/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RDDEW4APTYKJK365HC2JZIVXYUV7ZRN7/",
        "https://security.netapp.com/advisory/ntap-20211125-0002/",
        "http://www.openwall.com/lists/oss-security/2022/02/10/1",
        "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.14.16",
        "https://github.com/torvalds/linux/commit/fa40d9734a57bcbfa79a280189799f76c88f7bb0",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CVWL7HZV5T5OEKJPO2D67RMFMKBBXGGB/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RDDEW4APTYKJK365HC2JZIVXYUV7ZRN7/",
        "https://security.netapp.com/advisory/ntap-20211125-0002/"
    ]
}