{
  "cveId": "CVE-2022-50043",
  "url": "https://patchblox.com/security/cve/CVE-2022-50043",
  "summary": "CVE-2022-50043 is fixed in linux on 1 platform, first by DEBIAN-CVE-2022-50043, released June 18, 2025. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  net: fix potential refcount leak in ndisc_router...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  net: fix potential refcount leak in ndisc_router_discovery()  The issue happens on specific paths in the function. After both the object \u0060rt\u0060 and \u0060neigh\u0060 are grabbed successfully, when \u0060lifetime\u0060 is nonzero but the metric needs change, the function just deletes the route and set \u0060rt\u0060 to NULL. Then, it may try grabbing \u0060rt\u0060 and \u0060neigh\u0060 again if above conditions hold. The function simply overwrite \u0060neigh\u0060 if succeeds or returns if fails, without decreasing the reference count of previous \u0060neigh\u0060. This may result in memory leaks.  Fix it by decrementing the reference count of \u0060neigh\u0060 in place.",
  "published": "2025-06-18T11:15:32Z",
  "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": 0.00195,
  "epssPercentile": 0.09231,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "6.0.2-1",
      "fix": "DEBIAN-CVE-2022-50043",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-50043",
      "released": "2025-06-18T11:15:32Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "6.0.2-1",
      "fix": "DEBIAN-CVE-2022-50043",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-50043",
      "released": "2025-06-18T11:15:32Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "6.0.2-1",
      "fix": "DEBIAN-CVE-2022-50043",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-50043",
      "released": "2025-06-18T11:15:32Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T19:12:23Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}