{
  "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-2026-98921",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-98921",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-10-23T12:02:38.969Z",
    "updatedAt": "2026-10-23T12:05:33.583Z",
    "importedAt": "2026-10-24T01:58:41.756Z",
    "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": "ovl: fix UAF in ovl_do_mkdir() debug print",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\novl: fix UAF in ovl_do_mkdir() debug print\n\novl_do_mkdir() prints the input dentry with %pd after vfs_mkdir().\nSince commit fe497f0759e0 (\"VFS: change vfs_mkdir() to unlock on\nfailure.\"), vfs_mkdir() calls end_creating() on the input dentry on\nfailure and may replace it on success, so the post-call %pd can\nuse-after-free the dentry when CONFIG_OVERLAY_FS_DEBUG is enabled.\n\nPrint the dentry before the call and only the result afterward.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "fe497f0759e0efb949f9480911d00b6045c21f50",
              "status": "affected",
              "versionType": "git",
              "lessThan": "719bd33ab359c539a68a278c15a97deb77565cdb"
            },
            {
              "version": "fe497f0759e0efb949f9480911d00b6045c21f50",
              "status": "affected",
              "versionType": "git",
              "lessThan": "ae146bc1abdeb4607abf2975b858c053024e8ac1"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "6.19",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "6.19"
            },
            {
              "version": "7.2.9",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "7.2.*"
            },
            {
              "version": "7.3",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}