{
  "cveId": "CVE-2023-53569",
  "url": "https://patchblox.com/security/cve/CVE-2023-53569",
  "summary": "CVE-2023-53569 is fixed in linux on 1 platform, first by DEBIAN-CVE-2023-53569, released October 4, 2025. It is not reported as exploited. Patch Radar priority: High.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  ext2: Check block size validity during mount  Ch...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  ext2: Check block size validity during mount  Check that log of block size stored in the superblock has sensible value. Otherwise the shift computing the block size can overflow leading to undefined behavior.",
  "published": "2025-10-04T16:15:52Z",
  "severity": "high",
  "cvss": 7.8,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
  "epss": 0.00158,
  "epssPercentile": 0.04983,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "6.1.37-1",
      "fix": "DEBIAN-CVE-2023-53569",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-53569",
      "released": "2025-10-04T16:15:52Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "6.3.7-1",
      "fix": "DEBIAN-CVE-2023-53569",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-53569",
      "released": "2025-10-04T16:15:52Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "6.3.7-1",
      "fix": "DEBIAN-CVE-2023-53569",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-53569",
      "released": "2025-10-04T16:15:52Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T06:59:42Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}