{
  "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-2023-53990",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2023-53990",
    "idYear": 2023,
    "status": "PUBLISHED",
    "publishedAt": "2025-12-24T10:55:29.156Z",
    "updatedAt": "2026-08-05T09:16:31.988Z",
    "importedAt": "2026-10-24T01:57:03.413Z",
    "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": "SMB3: Add missing locks to protect deferred close file list",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nSMB3: Add missing locks to protect deferred close file list\n\ncifs_del_deferred_close function has a critical section which modifies\nthe deferred close file list. We must acquire deferred_lock before\ncalling cifs_del_deferred_close function.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "860efae127888ae535bc4eda1b7f27642727c69e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "0f87e18203bd30f71eb1a65259e28e291b6cc43a"
            },
            {
              "version": "ca08d0eac020d48a3141dbec0a3cf64fbdb17cde",
              "status": "affected",
              "versionType": "git",
              "lessThan": "3aa9d065b0685b4e6052f3f2a2462966fdc44fd2"
            },
            {
              "version": "ca08d0eac020d48a3141dbec0a3cf64fbdb17cde",
              "status": "affected",
              "versionType": "git",
              "lessThan": "cb36365dac25d546ca4af0eb22acb43c9b4ddfdf"
            },
            {
              "version": "ca08d0eac020d48a3141dbec0a3cf64fbdb17cde",
              "status": "affected",
              "versionType": "git",
              "lessThan": "32a046ccaeea6c19965c04a4c521e703f6607924"
            },
            {
              "version": "ca08d0eac020d48a3141dbec0a3cf64fbdb17cde",
              "status": "affected",
              "versionType": "git",
              "lessThan": "ab9ddc87a9055c4bebd6524d5d761d605d52e557"
            },
            {
              "version": "60b6d38add7b9c17d6e5d49ee8e930ea1a5650c5",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "5.15.63",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "5.15.111"
            },
            {
              "version": "5.19.4",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "5.20"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "6.0",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "6.0"
            },
            {
              "version": "5.15.111",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.28",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.2.15",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.2.*"
            },
            {
              "version": "6.3.2",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.3.*"
            },
            {
              "version": "6.4",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}