{
  "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-2025-37954",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2025-37954",
    "idYear": 2025,
    "status": "PUBLISHED",
    "publishedAt": "2025-05-20T16:01:48.561Z",
    "updatedAt": "2026-10-15T21:52:05.057Z",
    "importedAt": "2026-10-24T01:57:34.152Z",
    "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: Avoid race in open_cached_dir with lease breaks",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nsmb: client: Avoid race in open_cached_dir with lease breaks\n\nA pre-existing valid cfid returned from find_or_create_cached_dir might\nrace with a lease break, meaning open_cached_dir doesn't consider it\nvalid, and thinks it's newly-constructed. This leaks a dentry reference\nif the allocation occurs before the queued lease break work runs.\n\nAvoid the race by extending holding the cfid_list_lock across\nfind_or_create_cached_dir and when the result is checked.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "81ba10959970d15c388bf29866b01b62f387e6a3",
              "status": "affected",
              "versionType": "git",
              "lessThan": "2ed98e89ebc2e1bc73534dc3c18cb7843a889ff9"
            },
            {
              "version": "81ba10959970d15c388bf29866b01b62f387e6a3",
              "status": "affected",
              "versionType": "git",
              "lessThan": "571dcf3d27b24800c171aea7b5e04ff06d10e2e9"
            },
            {
              "version": "81ba10959970d15c388bf29866b01b62f387e6a3",
              "status": "affected",
              "versionType": "git",
              "lessThan": "2407265dc32bc8cc45b62a612c2a214ba9038e8b"
            },
            {
              "version": "81ba10959970d15c388bf29866b01b62f387e6a3",
              "status": "affected",
              "versionType": "git",
              "lessThan": "3ca02e63edccb78ef3659bebc68579c7224a6ca2"
            },
            {
              "version": "436be190fbf81e5d84040dabf9cb7be06a94dc5d",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "6.5.10",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "6.6"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "6.6",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "6.6"
            },
            {
              "version": "6.6.91",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.29",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.14.7",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.14.*"
            },
            {
              "version": "6.15",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}