{
  "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-2026-43427",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-43427",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-05-08T14:22:00.345Z",
    "updatedAt": "2026-05-11T22:24:22.781Z",
    "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": "usb: class: cdc-wdm: fix reordering issue in read code path",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: class: cdc-wdm: fix reordering issue in read code path\n\nQuoting the bug report:\n\nDue to compiler optimization or CPU out-of-order execution, the\ndesc->length update can be reordered before the memmove. If this\nhappens, wdm_read() can see the new length and call copy_to_user() on\nuninitialized memory. This also violates LKMM data race rules [1].\n\nFix it by using WRITE_ONCE and memory barriers.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "afba937e540c902c989cd516fd97ea0c8499bb27",
              "status": "affected",
              "versionType": "git",
              "lessThan": "638328ca9c17ae6511ad62198c57bae32ffa3c91"
            },
            {
              "version": "afba937e540c902c989cd516fd97ea0c8499bb27",
              "status": "affected",
              "versionType": "git",
              "lessThan": "170e8daca24da6edb4be82ab01abf44e87af387b"
            },
            {
              "version": "afba937e540c902c989cd516fd97ea0c8499bb27",
              "status": "affected",
              "versionType": "git",
              "lessThan": "c8fa96ed021923dae147bcd9f9205b8df7b82360"
            },
            {
              "version": "afba937e540c902c989cd516fd97ea0c8499bb27",
              "status": "affected",
              "versionType": "git",
              "lessThan": "4ee3062bf2c9a722afef429826e8607eaf3fc6a0"
            },
            {
              "version": "afba937e540c902c989cd516fd97ea0c8499bb27",
              "status": "affected",
              "versionType": "git",
              "lessThan": "276aef0fd2b92f41b920ac891c72cadeee957934"
            },
            {
              "version": "afba937e540c902c989cd516fd97ea0c8499bb27",
              "status": "affected",
              "versionType": "git",
              "lessThan": "67ed312124bb1b61858778ac0b985b48961c862a"
            },
            {
              "version": "afba937e540c902c989cd516fd97ea0c8499bb27",
              "status": "affected",
              "versionType": "git",
              "lessThan": "e3c874b05901dc519054b5107d16620e6d2b5fea"
            },
            {
              "version": "afba937e540c902c989cd516fd97ea0c8499bb27",
              "status": "affected",
              "versionType": "git",
              "lessThan": "8df672bfe3ec2268c2636584202755898e547173"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "2.6.26",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "2.6.26"
            },
            {
              "version": "5.10.253",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.203",
              "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": "*"
            }
          ]
        }
      ]
    }
  }
}