{
  "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-2026-90434",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-90434",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-09-17T16:09:53.716Z",
    "updatedAt": "2026-10-19T09:03:39.223Z",
    "importedAt": "2026-10-24T01:58:35.090Z",
    "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": "isofs: release zisofs block pointer buffer head",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nisofs: release zisofs block pointer buffer head\n\nzisofs_fill_pages() reads the compressed block pointer table.  The error\npaths release the current buffer_head, the loop also releases the old\nbuffer_head when it advances. However, the success path leaves the last\nbuffer_head referenced. Release it before returning success.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "59bc055211b8d266ab6089158058bf8268e02006",
              "status": "affected",
              "versionType": "git",
              "lessThan": "dbcc7d1b818162aeab2e97fd217d86546d9fde15"
            },
            {
              "version": "59bc055211b8d266ab6089158058bf8268e02006",
              "status": "affected",
              "versionType": "git",
              "lessThan": "ec33e6b7a1de20d7e623b12633191a855445657d"
            },
            {
              "version": "59bc055211b8d266ab6089158058bf8268e02006",
              "status": "affected",
              "versionType": "git",
              "lessThan": "0c2c54a7d174edc845f7bae24179fe72a926d10f"
            },
            {
              "version": "59bc055211b8d266ab6089158058bf8268e02006",
              "status": "affected",
              "versionType": "git",
              "lessThan": "5677737c2cedf417c0fcf61540b9cef0e62273d4"
            },
            {
              "version": "59bc055211b8d266ab6089158058bf8268e02006",
              "status": "affected",
              "versionType": "git",
              "lessThan": "f2a1611065c700a374b31c5cc8a7587f5e3bfe73"
            },
            {
              "version": "59bc055211b8d266ab6089158058bf8268e02006",
              "status": "affected",
              "versionType": "git",
              "lessThan": "106e1a3b2b3454fbda63a59e9290cb9a253f81aa"
            },
            {
              "version": "59bc055211b8d266ab6089158058bf8268e02006",
              "status": "affected",
              "versionType": "git",
              "lessThan": "3371d30a97a257b7b5f2c8009612e9d452180f0a"
            },
            {
              "version": "59bc055211b8d266ab6089158058bf8268e02006",
              "status": "affected",
              "versionType": "git",
              "lessThan": "2f7dd9b86fe4076059e6a4a2a2c5d565afd76b9e"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "2.6.33",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "2.6.33"
            },
            {
              "version": "5.10.270",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.221",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.188",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.157",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.110",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.18.52",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "7.2.6",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "7.2.*"
            },
            {
              "version": "7.3",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}