net/tcp-md5: Fix MAC comparison to be constant-time_CVE-2026-43383

{
    "lastseen": "",
    "description": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/tcp-md5: Fix MAC comparison to be constant-time\n\nTo prevent timing attacks, MACs need to be compared in constant\ntime.  Use the appropriate helper function for this.",
    "published": "2026-05-08T14:21:30.704Z",
    "modified": "2026-05-11T06:34:01.101Z",
    "type": "cve",
    "title": "net/tcp-md5: Fix MAC comparison to be constant-time",
    "source": "Linux",
    "references": "https://git.kernel.org/stable/c/821c8751fdeecdeecabeb11704dd33439c9e4bbc\nhttps://git.kernel.org/stable/c/345a9530756528d7ca407663d659c3c40e75c3dd\nhttps://git.kernel.org/stable/c/5d305a95130a8d08b9545e47f1e18d29d59866cb\nhttps://git.kernel.org/stable/c/02669e2a4d207068edce7e8b5fafd85822018ce6\nhttps://git.kernel.org/stable/c/ae3831b44f477de048287493e184fc3ff913b624\nhttps://git.kernel.org/stable/c/b502e97e29d791ff7a8051f29a414535739be218\nhttps://git.kernel.org/stable/c/46d0d6f50dab706637f4c18a470aac20a21900d3",
    "id": "CVE-2026-43383",
    "bulletinFamily": "",
    "cwe": null,
    "cvelist": null,
    "sourceData": "Linux Linux cfb6eeb4c860592edd123fdea908d23c6ad1c7dc\nLinux Linux cfb6eeb4c860592edd123fdea908d23c6ad1c7dc\nLinux Linux cfb6eeb4c860592edd123fdea908d23c6ad1c7dc\nLinux Linux cfb6eeb4c860592edd123fdea908d23c6ad1c7dc\nLinux Linux cfb6eeb4c860592edd123fdea908d23c6ad1c7dc\nLinux Linux cfb6eeb4c860592edd123fdea908d23c6ad1c7dc\nLinux Linux cfb6eeb4c860592edd123fdea908d23c6ad1c7dc\nLinux Linux 2.6.20",
    "sourceHref": "",
    "cvss": {
        "score": 9.4,
        "severity": "CRITICAL",
        "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H",
        "version": "3.1"
    },
    "cvss2": [],
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        "baseScore": 0,
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        "privilegesRequired": "",
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        "confidentialityImpact": "",
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        "availabilityImpact": "",
        "cvssV3": {
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    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "Linux",
    "version": "cfb6eeb4c860592edd123fdea908d23c6ad1c7dc",
    "vendor": "Linux",
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    "ai_score": 0
}