{
  "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-2023-4515",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2023-4515",
    "idYear": 2023,
    "status": "PUBLISHED",
    "publishedAt": "2025-08-16T13:25:50.562Z",
    "updatedAt": "2026-08-05T09:09:51.240Z",
    "importedAt": "2026-10-24T01:56:58.683Z",
    "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": "ksmbd: validate command request size",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: validate command request size\n\nIn commit 2b9b8f3b68ed (\"ksmbd: validate command payload size\"), except\nfor SMB2_OPLOCK_BREAK_HE command, the request size of other commands\nis not checked, it's not expected. Fix it by add check for request\nsize of other commands.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "35f450f54dca1519bb24faacd0428db09f89a11f",
              "status": "affected",
              "versionType": "git",
              "lessThan": "595679098bdcdbfbba91ebe07a2f7f208df93870"
            },
            {
              "version": "9650cf70ec9d94ff34daa088b643229231723c26",
              "status": "affected",
              "versionType": "git",
              "lessThan": "c6bef3bc30fd4a175aef846b7d928a6c40d091cd"
            },
            {
              "version": "2b9b8f3b68edb3d67d79962f02e26dbb5ae3808d",
              "status": "affected",
              "versionType": "git",
              "lessThan": "ff7236b66d69582f90cf5616e63cfc3dc18142bb"
            },
            {
              "version": "2b9b8f3b68edb3d67d79962f02e26dbb5ae3808d",
              "status": "affected",
              "versionType": "git",
              "lessThan": "5aa4fda5aa9c2a5a7bac67b4a12b089ab81fee3c"
            },
            {
              "version": "768caf4019f0391c0b6452afe34cea1704133f7b",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "5.15.121",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "5.15.127"
            },
            {
              "version": "6.1.36",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "6.1.46"
            },
            {
              "version": "6.3.10",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "6.4"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "6.4",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "6.4"
            },
            {
              "version": "5.15.127",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.46",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.4.11",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.4.*"
            },
            {
              "version": "6.5",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}