{
  "cveId": "CVE-2025-40286",
  "url": "https://patchblox.com/security/cve/CVE-2025-40286",
  "summary": "CVE-2025-40286 is fixed in linux on 1 platform, first by DEBIAN-CVE-2025-40286, released December 6, 2025. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "smb/server: fix possible memory leak in smb2_read()",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  smb/server: fix possible memory leak in smb2_read()  Memory leak occurs when ksmbd_vfs_read() fails. Fix this by adding the missing kvfree().",
  "published": "2025-12-06T22:15:56Z",
  "severity": "Moderate",
  "cvss": 5.5,
  "epss": 0.00199,
  "epssPercentile": 0.09758,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-40286",
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "6.1.159-1",
      "fix": "DEBIAN-CVE-2025-40286",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2025-40286",
      "released": "2025-12-06T22:15:56Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "6.12.63-1",
      "fix": "DEBIAN-CVE-2025-40286",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2025-40286",
      "released": "2025-12-06T22:15:56Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "6.17.9-1",
      "fix": "DEBIAN-CVE-2025-40286",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2025-40286",
      "released": "2025-12-06T22:15:56Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T00:53:09Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}