{
  "cveId": "CVE-2025-40236",
  "url": "https://patchblox.com/security/cve/CVE-2025-40236",
  "summary": "CVE-2025-40236 is fixed in linux on 1 platform by DEBIAN-CVE-2025-40236 (version 6.17.6-1), released December 4, 2025. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  virtio-net: zero unused hash fields  When GSO tu...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  virtio-net: zero unused hash fields  When GSO tunnel is negotiated virtio_net_hdr_tnl_from_skb() tries to initialize the tunnel metadata but forget to zero unused rxhash fields. This may leak information to another side. Fixing this by zeroing the unused hash fields.",
  "published": "2025-12-04T16:16:16Z",
  "severity": "",
  "epss": 0.00198,
  "epssPercentile": 0.09656,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "6.17.6-1",
      "fix": "DEBIAN-CVE-2025-40236",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2025-40236",
      "released": "2025-12-04T16:16:16Z"
    }
  ],
  "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"
  }
}