{
  "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-2026-72223",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-72223",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-08-15T05:54:16.019Z",
    "updatedAt": "2026-08-17T05:10:38.658Z",
    "importedAt": "2026-10-24T01:58:25.636Z",
    "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": "nvdimm/btt: Free arena sub-allocations on discover_arenas() error path",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nnvdimm/btt: Free arena sub-allocations on discover_arenas() error path\n\nMemory allocated by btt_freelist_init(), btt_rtt_init(), and\nbtt_maplocks_init() is not freed on some discover_arenas() error\npaths. This leaks memory when arena discovery fails.\n\nAdd the missing kfree() calls to release the allocations before\nreturning an error.\n\n[ as: commit message and log edits ]",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "5212e11fde4d40fa627668b4f2222d20db488f71",
              "status": "affected",
              "versionType": "git",
              "lessThan": "2d0364937550a7b3e2592629c2a68753ac020b28"
            },
            {
              "version": "5212e11fde4d40fa627668b4f2222d20db488f71",
              "status": "affected",
              "versionType": "git",
              "lessThan": "eeb95774bc79268e2b78ebf01d8781560b5bd671"
            },
            {
              "version": "5212e11fde4d40fa627668b4f2222d20db488f71",
              "status": "affected",
              "versionType": "git",
              "lessThan": "7563f69caa9143a491d5f26e563255c734751545"
            },
            {
              "version": "5212e11fde4d40fa627668b4f2222d20db488f71",
              "status": "affected",
              "versionType": "git",
              "lessThan": "0b0d9404951aacc9717aa61e77af4a6e9e8f8249"
            },
            {
              "version": "5212e11fde4d40fa627668b4f2222d20db488f71",
              "status": "affected",
              "versionType": "git",
              "lessThan": "873ced7f345e99f7ee16f9ff226515580332ecc4"
            },
            {
              "version": "5212e11fde4d40fa627668b4f2222d20db488f71",
              "status": "affected",
              "versionType": "git",
              "lessThan": "30d490bb2c4cd220e7dedf862ab6a09eb5dcbad5"
            },
            {
              "version": "5212e11fde4d40fa627668b4f2222d20db488f71",
              "status": "affected",
              "versionType": "git",
              "lessThan": "ba59b96d8d21dc8729fca44a022ca5919c1848c9"
            },
            {
              "version": "5212e11fde4d40fa627668b4f2222d20db488f71",
              "status": "affected",
              "versionType": "git",
              "lessThan": "13fe4cd9ddd0aacb7777812328be525a11ea3fea"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "4.2",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "4.2"
            },
            {
              "version": "5.10.261",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.212",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.178",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.145",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.97",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.18.40",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "7.1.5",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "7.1.*"
            },
            {
              "version": "7.2",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}