{
  "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-2026-90318",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-90318",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-09-17T16:08:36.174Z",
    "updatedAt": "2026-10-19T09:01:34.596Z",
    "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": "fat: release buffer head after rebuilding parent",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nfat: release buffer head after rebuilding parent\n\nfat_scan_logstart() leaves the matching directory entry's buffer head in\nsinfo.bh for the caller to release, just like fat_scan().\n\nfat_rebuild_parent() uses the directory entry to rebuild the parent inode\nfor the nostale_ro NFS export path, but does not release sinfo.bh after a\nsuccessful scan.  Release it once fat_build_inode() has consumed the\ndirectory entry data.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "f1e6fb0ab451dae8523fbb8c119a653b2730e938",
              "status": "affected",
              "versionType": "git",
              "lessThan": "5e44b6944e11fd6647f028219ad0be4e85e9acee"
            },
            {
              "version": "f1e6fb0ab451dae8523fbb8c119a653b2730e938",
              "status": "affected",
              "versionType": "git",
              "lessThan": "d2a86329152c69a6200c15b2bf618755f8563826"
            },
            {
              "version": "f1e6fb0ab451dae8523fbb8c119a653b2730e938",
              "status": "affected",
              "versionType": "git",
              "lessThan": "0f18d712ba9c980e05b7e33a27cde4fe3ed2d393"
            },
            {
              "version": "f1e6fb0ab451dae8523fbb8c119a653b2730e938",
              "status": "affected",
              "versionType": "git",
              "lessThan": "e38587d98d1ceac608420052c0cdd901d25878f3"
            },
            {
              "version": "f1e6fb0ab451dae8523fbb8c119a653b2730e938",
              "status": "affected",
              "versionType": "git",
              "lessThan": "c6a67aa438179cad40f8ae45469e304338d65c0a"
            },
            {
              "version": "f1e6fb0ab451dae8523fbb8c119a653b2730e938",
              "status": "affected",
              "versionType": "git",
              "lessThan": "571ea4263d69df1b48578e4314a828ecd0604755"
            },
            {
              "version": "f1e6fb0ab451dae8523fbb8c119a653b2730e938",
              "status": "affected",
              "versionType": "git",
              "lessThan": "7565e44507634514e3e1899d3acad3de43f7a2c1"
            },
            {
              "version": "f1e6fb0ab451dae8523fbb8c119a653b2730e938",
              "status": "affected",
              "versionType": "git",
              "lessThan": "83e98dbf19ab64e8528e101e20f8d50e1aaa68a8"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "3.10",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "3.10"
            },
            {
              "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": "*"
            }
          ]
        }
      ]
    }
  }
}