{
  "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-2026-31623",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-31623",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-04-24T14:42:40.566Z",
    "updatedAt": "2026-06-14T17:43:10.837Z",
    "importedAt": "2026-10-24T01:58:02.025Z",
    "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: usb: cdc-phonet: fix skb frags[] overflow in rx_complete()",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: usb: cdc-phonet: fix skb frags[] overflow in rx_complete()\n\nA malicious USB device claiming to be a CDC Phonet modem can overflow\nthe skb_shared_info->frags[] array by sending an unbounded sequence of\nfull-page bulk transfers.\n\nDrop the skb and increment the length error when the frag limit is\nreached.  This matches the same fix that commit f0813bcd2d9d (\"net:\nwwan: t7xx: fix potential skb->frags overflow in RX path\") did for the\nt7xx driver.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "87cf65601e1709e57f7e28f0f7b3eb0a992c1782",
              "status": "affected",
              "versionType": "git",
              "lessThan": "6807ff49bf796b3823b1e29f97b69316a40a9a94"
            },
            {
              "version": "87cf65601e1709e57f7e28f0f7b3eb0a992c1782",
              "status": "affected",
              "versionType": "git",
              "lessThan": "0c5c65a17db729fc63ab656bdaaf0e675a9dbeac"
            },
            {
              "version": "87cf65601e1709e57f7e28f0f7b3eb0a992c1782",
              "status": "affected",
              "versionType": "git",
              "lessThan": "6053620fdbcd89fa7e755644efdaab78e0daaae7"
            },
            {
              "version": "87cf65601e1709e57f7e28f0f7b3eb0a992c1782",
              "status": "affected",
              "versionType": "git",
              "lessThan": "d4e1946bea8d6441835eb3fd09b19237ba366a6f"
            },
            {
              "version": "87cf65601e1709e57f7e28f0f7b3eb0a992c1782",
              "status": "affected",
              "versionType": "git",
              "lessThan": "a23b1b1aaf41e174181d5853a70e65d4d01e648c"
            },
            {
              "version": "87cf65601e1709e57f7e28f0f7b3eb0a992c1782",
              "status": "affected",
              "versionType": "git",
              "lessThan": "c183d5775129a0a7495bd61a6e57ec230dcf01e5"
            },
            {
              "version": "87cf65601e1709e57f7e28f0f7b3eb0a992c1782",
              "status": "affected",
              "versionType": "git",
              "lessThan": "ebf75c6301c4972a87542ebf2d994c6391eb5d46"
            },
            {
              "version": "87cf65601e1709e57f7e28f0f7b3eb0a992c1782",
              "status": "affected",
              "versionType": "git",
              "lessThan": "9989938d13cc5ba8447eeed5a61acfcf61bc6801"
            },
            {
              "version": "87cf65601e1709e57f7e28f0f7b3eb0a992c1782",
              "status": "affected",
              "versionType": "git",
              "lessThan": "600dc40554dc5ad1e6f3af51f700228033f43ea7"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "2.6.31",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "2.6.31"
            },
            {
              "version": "5.10.258",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.209",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.175",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.136",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.83",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.18.24",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "6.19.14",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.19.*"
            },
            {
              "version": "7.0.1",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "7.0.*"
            },
            {
              "version": "7.1",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}