{
  "id": "cve-2023-0386",
  "cveID": "CVE-2023-0386",
  "vendor": "Linux",
  "product": "Kernel",
  "vulnerabilityName": "Linux Kernel Improper Ownership Management Vulnerability",
  "shortDescription": "Linux Kernel contains an improper ownership management vulnerability, where unauthorized access to the execution of the setuid file with capabilities was found in the Linux kernel’s OverlayFS subsystem in how a user copies a capable file from a nosuid mount into another mount. This uid mapping bug allows a local user to escalate their privileges on the system.",
  "requiredAction": "Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.",
  "dateAdded": "2025-06-17",
  "dueDate": "2025-07-08",
  "knownRansomware": false,
  "cwes": [
    "CWE-282"
  ],
  "notes": "This vulnerability affects a common open-source component, third-party library, or a protocol used by different products. For more information, please see: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4f11ada10d0a ; https://access.redhat.com/security/cve/cve-2023-0386 ; https://security.netapp.com/advisory/ntap-20230420-0004/ ; https://nvd.nist.gov/vuln/detail/CVE-2023-0386",
  "sources": [
    {
      "label": "NVD",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-0386"
    },
    {
      "label": "CISA KEV",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog"
    },
    {
      "label": "git.kernel.org",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4f11ada10d0a"
    },
    {
      "label": "access.redhat.com",
      "url": "https://access.redhat.com/security/cve/cve-2023-0386"
    },
    {
      "label": "security.netapp.com",
      "url": "https://security.netapp.com/advisory/ntap-20230420-0004/"
    },
    {
      "label": "nvd.nist.gov",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-0386"
    }
  ],
  "cvss": {
    "score": 7.8,
    "severity": "HIGH",
    "version": "3.1",
    "vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
  },
  "epss": {
    "score": 0.0788,
    "percentile": 0.94352
  },
  "timeline": [
    {
      "date": "2025-06-17",
      "event": "Added to the CISA KEV catalog"
    },
    {
      "date": "2025-07-08",
      "event": "CISA remediation due date (BOD 22-01)"
    }
  ],
  "status": "past due"
}