{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "record": {
    "id": "CVE-2026-43383",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-43383",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-05-08T14:21:30.704Z",
    "updatedAt": "2026-10-19T19:16:28.193Z",
    "importedAt": "2026-10-24T01:58:14.884Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": "net/tcp-md5: Fix MAC comparison to be constant-time",
      "summary": "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.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "cfb6eeb4c860592edd123fdea908d23c6ad1c7dc",
              "status": "affected",
              "versionType": "git",
              "lessThan": "821c8751fdeecdeecabeb11704dd33439c9e4bbc"
            },
            {
              "version": "cfb6eeb4c860592edd123fdea908d23c6ad1c7dc",
              "status": "affected",
              "versionType": "git",
              "lessThan": "ff44ec94d4fc8348600a69de0a8fa1102c23bce8"
            },
            {
              "version": "cfb6eeb4c860592edd123fdea908d23c6ad1c7dc",
              "status": "affected",
              "versionType": "git",
              "lessThan": "345a9530756528d7ca407663d659c3c40e75c3dd"
            },
            {
              "version": "cfb6eeb4c860592edd123fdea908d23c6ad1c7dc",
              "status": "affected",
              "versionType": "git",
              "lessThan": "5d305a95130a8d08b9545e47f1e18d29d59866cb"
            },
            {
              "version": "cfb6eeb4c860592edd123fdea908d23c6ad1c7dc",
              "status": "affected",
              "versionType": "git",
              "lessThan": "02669e2a4d207068edce7e8b5fafd85822018ce6"
            },
            {
              "version": "cfb6eeb4c860592edd123fdea908d23c6ad1c7dc",
              "status": "affected",
              "versionType": "git",
              "lessThan": "ae3831b44f477de048287493e184fc3ff913b624"
            },
            {
              "version": "cfb6eeb4c860592edd123fdea908d23c6ad1c7dc",
              "status": "affected",
              "versionType": "git",
              "lessThan": "b502e97e29d791ff7a8051f29a414535739be218"
            },
            {
              "version": "cfb6eeb4c860592edd123fdea908d23c6ad1c7dc",
              "status": "affected",
              "versionType": "git",
              "lessThan": "46d0d6f50dab706637f4c18a470aac20a21900d3"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "2.6.20",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "2.6.20"
            },
            {
              "version": "5.10.253",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.210",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.167",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.130",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.78",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.18.19",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "6.19.9",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.19.*"
            },
            {
              "version": "7.0",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}