{
  "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-2025-22036",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2025-22036",
    "idYear": 2025,
    "status": "PUBLISHED",
    "publishedAt": "2025-04-16T14:11:54.916Z",
    "updatedAt": "2026-08-05T11:56:08.974Z",
    "importedAt": "2026-10-24T01:57:29.455Z",
    "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": "exfat: fix random stack corruption after get_block",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nexfat: fix random stack corruption after get_block\n\nWhen get_block is called with a buffer_head allocated on the stack, such\nas do_mpage_readpage, stack corruption due to buffer_head UAF may occur in\nthe following race condition situation.\n\n     <CPU 0>                      <CPU 1>\nmpage_read_folio\n  <<bh on stack>>\n  do_mpage_readpage\n    exfat_get_block\n      bh_read\n        __bh_read\n\t  get_bh(bh)\n          submit_bh\n          wait_on_buffer\n                              ...\n                              end_buffer_read_sync\n                                __end_buffer_read_notouch\n                                   unlock_buffer\n          <<keep going>>\n        ...\n      ...\n    ...\n  ...\n<<bh is not valid out of mpage_read_folio>>\n   .\n   .\nanother_function\n  <<variable A on stack>>\n                                   put_bh(bh)\n                                     atomic_dec(bh->b_count)\n  * stack corruption here *\n\nThis patch returns -EAGAIN if a folio does not have buffers when bh_read\nneeds to be called. By doing this, the caller can fallback to functions\nlike block_read_full_folio(), create a buffer_head in the folio, and then\ncall get_block again.\n\nLet's do not call bh_read() with on-stack buffer_head.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "11a347fb6cef62ce47e84b97c45f2b2497c7593b",
              "status": "affected",
              "versionType": "git",
              "lessThan": "49b0a6ab8e528a0c1c50e37cef9b9c7c121365f2"
            },
            {
              "version": "11a347fb6cef62ce47e84b97c45f2b2497c7593b",
              "status": "affected",
              "versionType": "git",
              "lessThan": "f7447286363dc1e410bf30b87d75168f3519f9cc"
            },
            {
              "version": "11a347fb6cef62ce47e84b97c45f2b2497c7593b",
              "status": "affected",
              "versionType": "git",
              "lessThan": "f807a6bf2005740fa26b4f59c4a003dc966b9afd"
            },
            {
              "version": "11a347fb6cef62ce47e84b97c45f2b2497c7593b",
              "status": "affected",
              "versionType": "git",
              "lessThan": "1bb7ff4204b6d4927e982cd256286c09ed4fd8ca"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "6.8",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "6.8"
            },
            {
              "version": "6.12.23",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.13.11",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.13.*"
            },
            {
              "version": "6.14.2",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.14.*"
            },
            {
              "version": "6.15",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}