netfilter: nf_tables: Fix for duplicate device in netdev hooks_CVE-2026-43454

{
    "lastseen": "",
    "description": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nf_tables: Fix for duplicate device in netdev hooks\n\nWhen handling NETDEV_REGISTER notification, duplicate device\nregistration must be avoided since the device may have been added by\nnft_netdev_hook_alloc() already when creating the hook.",
    "published": "2026-05-08T14:22:18.719Z",
    "modified": "2026-05-11T06:34:40.365Z",
    "type": "cve",
    "title": "netfilter: nf_tables: Fix for duplicate device in netdev hooks",
    "source": "Linux",
    "references": "https://git.kernel.org/stable/c/6d2a95c6890577cc3eab2b20018e16850d7fb094\nhttps://git.kernel.org/stable/c/2041cdb078041611510fc189410bc70b29f688fb\nhttps://git.kernel.org/stable/c/b7cdc5a97d02c943f4bdde4d5767ad0c13cad92b",
    "id": "CVE-2026-43454",
    "bulletinFamily": "",
    "cwe": null,
    "cvelist": null,
    "sourceData": "Linux Linux a331b78a552551d0e404e58e6390b1c828d6af8f\nLinux Linux a331b78a552551d0e404e58e6390b1c828d6af8f\nLinux Linux a331b78a552551d0e404e58e6390b1c828d6af8f\nLinux Linux 6.16",
    "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": "a331b78a552551d0e404e58e6390b1c828d6af8f",
    "vendor": "Linux",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
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    "ai_score": 0
}