{
  "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-2026-53309",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-53309",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-06-26T19:41:03.505Z",
    "updatedAt": "2026-08-05T12:34:59.157Z",
    "importedAt": "2026-10-24T01:58:20.586Z",
    "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": "ocfs2/dlm: fix off-by-one in dlm_match_regions() region comparison",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nocfs2/dlm: fix off-by-one in dlm_match_regions() region comparison\n\nThe local-vs-remote region comparison loop uses '<=' instead of '<',\ncausing it to read one entry past the valid range of qr_regions.  The\nother loops in the same function correctly use '<'.\n\nFix the loop condition to use '<' for consistency and correctness.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "ea2034416b54700e30371f2ad6517cbb94674083",
              "status": "affected",
              "versionType": "git",
              "lessThan": "760ab35040aca8399021fdb9ff1db1089feb7194"
            },
            {
              "version": "ea2034416b54700e30371f2ad6517cbb94674083",
              "status": "affected",
              "versionType": "git",
              "lessThan": "c60a2710b73838d250cda57344c049b89abc5d52"
            },
            {
              "version": "ea2034416b54700e30371f2ad6517cbb94674083",
              "status": "affected",
              "versionType": "git",
              "lessThan": "2a0673836f019e7c032acbf48d022d5ccf02a845"
            },
            {
              "version": "ea2034416b54700e30371f2ad6517cbb94674083",
              "status": "affected",
              "versionType": "git",
              "lessThan": "819d8ebad3200a53de99bd7e297bc428e41ced54"
            },
            {
              "version": "ea2034416b54700e30371f2ad6517cbb94674083",
              "status": "affected",
              "versionType": "git",
              "lessThan": "d5403ae28085761d58b555645bc7d5feadb10073"
            },
            {
              "version": "ea2034416b54700e30371f2ad6517cbb94674083",
              "status": "affected",
              "versionType": "git",
              "lessThan": "1fb7f356547d9688822315cd2b205ff0bd5429b4"
            },
            {
              "version": "ea2034416b54700e30371f2ad6517cbb94674083",
              "status": "affected",
              "versionType": "git",
              "lessThan": "426cd8eedac89b86148d4478990eeef16e8a2520"
            },
            {
              "version": "ea2034416b54700e30371f2ad6517cbb94674083",
              "status": "affected",
              "versionType": "git",
              "lessThan": "01b61e8dda9b0fdb0d4cda43de25f4e390554d7b"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "2.6.37",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "2.6.37"
            },
            {
              "version": "5.10.258",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.209",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.175",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.141",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.91",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.18.33",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "7.0.10",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "7.0.*"
            },
            {
              "version": "7.1",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}