{
  "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-2022-49451",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2022-49451",
    "idYear": 2022,
    "status": "PUBLISHED",
    "publishedAt": "2025-02-26T02:13:01.077Z",
    "updatedAt": "2026-08-05T08:55:12.845Z",
    "importedAt": "2026-10-24T01:56:49.724Z",
    "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": "firmware: arm_scmi: Fix list protocols enumeration in the base protocol",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nfirmware: arm_scmi: Fix list protocols enumeration in the base protocol\n\nWhile enumerating protocols implemented by the SCMI platform using\nBASE_DISCOVER_LIST_PROTOCOLS, the number of returned protocols is\ncurrently validated in an improper way since the check employs a sum\nbetween unsigned integers that could overflow and cause the check itself\nto be silently bypassed if the returned value 'loop_num_ret' is big\nenough.\n\nFix the validation avoiding the addition.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "b6f20ff8bd94ad34032804a60bab5ee56752007e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "444a2d27fe9867d0da4b28fc45b793f32e099ab8"
            },
            {
              "version": "b6f20ff8bd94ad34032804a60bab5ee56752007e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "b0e4bafac8963c2d85ee18d3d01f393735acceec"
            },
            {
              "version": "b6f20ff8bd94ad34032804a60bab5ee56752007e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "1052f22e127d0c34c3387bb389424ba1c61491ff"
            },
            {
              "version": "b6f20ff8bd94ad34032804a60bab5ee56752007e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "98342148a8cd242855d7e257f298c966c96dba9f"
            },
            {
              "version": "b6f20ff8bd94ad34032804a60bab5ee56752007e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "6e7978695f4a6cbd83616b5a702b77fa2087b247"
            },
            {
              "version": "b6f20ff8bd94ad34032804a60bab5ee56752007e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "2ccfcd7a09c826516edcfe464b05071961aada3f"
            },
            {
              "version": "b6f20ff8bd94ad34032804a60bab5ee56752007e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "8009120e0354a67068e920eb10dce532391361d0"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "4.17",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "4.17"
            },
            {
              "version": "4.19.247",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.19.*"
            },
            {
              "version": "5.4.198",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.4.*"
            },
            {
              "version": "5.10.121",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.46",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "5.17.14",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.17.*"
            },
            {
              "version": "5.18.3",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.18.*"
            },
            {
              "version": "5.19",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}