{
  "cveId": "CVE-2026-98603",
  "url": "https://patchblox.com/security/cve/CVE-2026-98603",
  "summary": "CVE-2026-98603 is fixed in linux on 1 platform by DEBIAN-CVE-2026-98603 (version 7.2.9-1), released October 19, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "ovpn: replace bind when clearing stale local source",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  ovpn: replace bind when clearing stale local source  The UDP output fallback clears bind-\u003Elocal in place when the remembered source address is no longer usable. The bind is RCU-published and read locklessly by concurrent TX, so an IPv6 reader can observe a torn address.  Retry the route lookup with source address autoselection without modifying the bind. After a successful lookup, revalidate the bind and route key under peer-\u003Elock, reset the dst cache, and best-effort publish a replacement bind with a wildcard local address.  Do not cache the resolved dst when clearing the local source. Replacing the source invalidates all per-CPU cache entries, while dst_cache_set_ip4 and dst_cache_set_ip6 update only the current CPU slot. The current packet can still use the resolved route; if bind allocation fails, a later cache miss retries the repair.",
  "published": "2026-10-18T16:17:13Z",
  "severity": "",
  "epss": 0.00198,
  "epssPercentile": 0.09624,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-98603",
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "7.2.9-1",
      "fix": "DEBIAN-CVE-2026-98603",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-98603",
      "released": "2026-10-19T16:27:52Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-09T01:18:40Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}