{
  "id": "CVE-2023-4389",
  "sourceIdentifier": "secalert@redhat.com",
  "published": "2023-08-16T19:15:10.163",
  "lastModified": "2023-08-17T12:53:44.537",
  "vulnStatus": "Awaiting Analysis",
  "descriptions": [
    {
      "lang": "en",
      "value": "A flaw was found in btrfs_get_root_ref in fs/btrfs/disk-io.c in the btrfs filesystem in the Linux Kernel due to a double decrement of the reference count. This issue may allow a local attacker with user privilege to crash the system or may lead to leaked internal kernel information."
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "secalert@redhat.com",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "attackVector": "LOCAL",
          "attackComplexity": "HIGH",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH",
          "baseScore": 7.0,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 1.0,
        "impactScore": 5.9
      }
    ]
  },
  "references": [
    {
      "url": "https://access.redhat.com/security/cve/CVE-2023-4389",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2219271",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://patchwork.kernel.org/project/linux-btrfs/patch/20220324134454.15192-1-baijiaju1990@gmail.com/",
      "source": "secalert@redhat.com"
    }
  ]
}