mptcp: prevent race between disconnect() and rtx

{
  "id": "861485c8a22477736c446b72b159f05c04c3e8fec01e3f154665f517ea8c1a19",
  "url": "https://osv.dev/vulnerability/CVE-2026-97567",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "mptcp: prevent race between disconnect() and rtx",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: mptcp: prevent race between disconnect() and rtx Sashiko noted that the two event can race, leading to inconsistent status. Prevent the race using the synchronous timer stop operation.",
    "evidence": "osv:CVE-2026-97567",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
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            "evidence": "/affected/1/ranges"
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            "value": "6.18.53",
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          {
            "value": "7.2.7",
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    "severity": "unknown",
    "structured": {
      "id": "CVE-2026-97567",
      "aliases": [
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      ],
      "modified": "2026-11-01T02:30:53.707957788Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/1a68a88369c0ab6309bd17f7e408290c5cb80dcf",
        "https://git.kernel.org/stable/c/2261f857ef4e0d21eb1a8b47b06640cf7ab16d3e",
        "https://git.kernel.org/stable/c/374da2b9be1280695ce41f108334a8f16e3e54be",
        "https://git.kernel.org/stable/c/69a7b2a912672159dda7dcf325d27752d448dfdf",
        "https://git.kernel.org/stable/c/75b3b30ae4ee6aa0572595f6b48544ed4f479eb6",
        "https://git.kernel.org/stable/c/85c580b0d8590520ae00a15c29e9fb9c99427a3e",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/97xxx/CVE-2026-97567.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-97567",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
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      "provider_metadata": {
        "cna_assigner": "Linux",
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        "value": "CVE-2026-97567",
        "evidence": "/id"
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    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 517099,
  "published_at": "2026-09-25T10:21:53.677+00:00"
}