{
  "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-2026-98686",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-98686",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-10-18T15:45:55.193Z",
    "updatedAt": "2026-10-21T12:55:41.290Z",
    "importedAt": "2026-10-24T01:58:41.756Z",
    "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": "smb: client: discard post-EOF pagecache when extending a file via zero range",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nsmb: client: discard post-EOF pagecache when extending a file via zero range\n\nsmb3_zero_range() removed the pagecache only for the range being zeroed,\nso when it extends the file the folio straddling the old EOF - which may\nhold data dirtied past EOF through an mmap - was never dropped and became\nvisible as file content once the file was extended.\n\nLower the discard boundary to the smaller of the zero-range offset and the\nold EOF.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "72c419d9b073628d3b5b0b2fc787b724f1a8c726",
              "status": "affected",
              "versionType": "git",
              "lessThan": "3df27277f8f95345d4a6c57367824bf1aefdbf66"
            },
            {
              "version": "72c419d9b073628d3b5b0b2fc787b724f1a8c726",
              "status": "affected",
              "versionType": "git",
              "lessThan": "94949b6b2f2bf0dba2e8786aed0b08cc6bc3a183"
            },
            {
              "version": "72c419d9b073628d3b5b0b2fc787b724f1a8c726",
              "status": "affected",
              "versionType": "git",
              "lessThan": "b75dadb50a25eed525264bf6fea44fad94e7626f"
            },
            {
              "version": "72c419d9b073628d3b5b0b2fc787b724f1a8c726",
              "status": "affected",
              "versionType": "git",
              "lessThan": "6a8279c98ad289b27c0bdb11adb3f0c0b7fd456d"
            },
            {
              "version": "72c419d9b073628d3b5b0b2fc787b724f1a8c726",
              "status": "affected",
              "versionType": "git",
              "lessThan": "da4fe97fb6c730d9c94a115c7bfa6f98e0d578d0"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.1",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.1"
            },
            {
              "version": "6.6.160",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.113",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.18.56",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "7.2.10",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "7.2.*"
            },
            {
              "version": "7.3",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}