{
  "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-2022-48938",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2022-48938",
    "idYear": 2022,
    "status": "PUBLISHED",
    "publishedAt": "2024-08-22T03:31:33.381Z",
    "updatedAt": "2026-05-23T15:21:07.103Z",
    "importedAt": "2026-10-24T01:56:45.230Z",
    "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": "CDC-NCM: avoid overflow in sanity checking",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nCDC-NCM: avoid overflow in sanity checking\n\nA broken device may give an extreme offset like 0xFFF0\nand a reasonable length for a fragment. In the sanity\ncheck as formulated now, this will create an integer\noverflow, defeating the sanity check. Both offset\nand offset + len need to be checked in such a manner\nthat no overflow can occur.\nAnd those quantities should be unsigned.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "4ca8b8855264cf1439cdab3da7049bd1e3c2a9e6",
              "status": "affected",
              "versionType": "git",
              "lessThan": "a612395c7631918e0e10ea48b9ce5ab4340f26a6"
            },
            {
              "version": "a270ca35a9499b58366d696d3290eaa4697a42db",
              "status": "affected",
              "versionType": "git",
              "lessThan": "9957fbf34f52a4d8945d1bf39aae400ef9a11246"
            },
            {
              "version": "0fa81b304a7973a499f844176ca031109487dd31",
              "status": "affected",
              "versionType": "git",
              "lessThan": "69560efa001397ebb8dc1c3e6a3ce00302bb9f7f"
            },
            {
              "version": "0fa81b304a7973a499f844176ca031109487dd31",
              "status": "affected",
              "versionType": "git",
              "lessThan": "49909c9f8458cacb5b241106cba65aba5a6d8f4c"
            },
            {
              "version": "0fa81b304a7973a499f844176ca031109487dd31",
              "status": "affected",
              "versionType": "git",
              "lessThan": "7b737e47b87589031f0d4657f6d7b0b770474925"
            },
            {
              "version": "0fa81b304a7973a499f844176ca031109487dd31",
              "status": "affected",
              "versionType": "git",
              "lessThan": "8d2b1a1ec9f559d30b724877da4ce592edc41fdc"
            },
            {
              "version": "8cf7db86a8984ffa3a3388a8df12bc0aa4c79bd7",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "4.19.285",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "4.19.323"
            },
            {
              "version": "5.4.245",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "5.4.285"
            },
            {
              "version": "4.14.317",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "4.15"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.7",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.7"
            },
            {
              "version": "4.19.323",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.19.*"
            },
            {
              "version": "5.4.285",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.4.*"
            },
            {
              "version": "5.10.103",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.26",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "5.16.12",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.16.*"
            },
            {
              "version": "5.17",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}