{
  "cveId": "CVE-2025-39872",
  "url": "https://patchblox.com/security/cve/CVE-2025-39872",
  "summary": "CVE-2025-39872 is fixed in linux on 1 platform, first by DEBIAN-CVE-2025-39872, released September 23, 2025. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  hsr: hold rcu and dev lock for hsr_get_port_ndev...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  hsr: hold rcu and dev lock for hsr_get_port_ndev  hsr_get_port_ndev calls hsr_for_each_port, which need to hold rcu lock. On the other hand, before return the port device, we need to hold the device reference to avoid UaF in the caller function.",
  "published": "2025-09-23T06:15:46Z",
  "severity": "medium",
  "cvss": 5.5,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
  "epss": 0.00155,
  "epssPercentile": 0.04651,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "6.12.69-1",
      "fix": "DEBIAN-CVE-2025-39872",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2025-39872",
      "released": "2025-09-23T06:15:46Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "6.16.8-1",
      "fix": "DEBIAN-CVE-2025-39872",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2025-39872",
      "released": "2025-09-23T06:15:46Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T13:06:02Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}