{
  "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-2026-45865",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-45865",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-05-27T12:15:45.082Z",
    "updatedAt": "2026-05-27T12:15:45.082Z",
    "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": "mctp i2c: initialise event handler read bytes",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nmctp i2c: initialise event handler read bytes\n\nSet a 0xff value for i2c reads of an mctp-i2c device. Otherwise reads\nwill return \"val\" from the i2c bus driver. For i2c-aspeed and\ni2c-npcm7xx that is a stack uninitialised u8.\n\nTested with \"i2ctransfer -y 1 r10@0x34\" where 0x34 is a mctp-i2c\ninstance, now it returns all 0xff.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "f5b8abf9fc3dacd7529d363e26fe8230935d65f8",
              "status": "affected",
              "versionType": "git",
              "lessThan": "93e01e837e105299f1c259ef71f6e1ec4fe806e3"
            },
            {
              "version": "f5b8abf9fc3dacd7529d363e26fe8230935d65f8",
              "status": "affected",
              "versionType": "git",
              "lessThan": "11f83253244060b5de5eac787f61ae3f3e559d01"
            },
            {
              "version": "f5b8abf9fc3dacd7529d363e26fe8230935d65f8",
              "status": "affected",
              "versionType": "git",
              "lessThan": "fa9861e5c8af7651dddfa8d490aaada17ae33b6c"
            },
            {
              "version": "f5b8abf9fc3dacd7529d363e26fe8230935d65f8",
              "status": "affected",
              "versionType": "git",
              "lessThan": "6ff2ebfef75fbc57d937d8fbe738b967edf2d331"
            },
            {
              "version": "f5b8abf9fc3dacd7529d363e26fe8230935d65f8",
              "status": "affected",
              "versionType": "git",
              "lessThan": "1eeedb310229bfee9dd4d992e5bba33fe1378a8f"
            },
            {
              "version": "f5b8abf9fc3dacd7529d363e26fe8230935d65f8",
              "status": "affected",
              "versionType": "git",
              "lessThan": "2a14e91b6d76639dac70ea170f4384c1ee3cb48d"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.18",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.18"
            },
            {
              "version": "6.1.165",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.128",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.75",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.18.14",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "6.19.4",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.19.*"
            },
            {
              "version": "7.0",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}