CVE-2026-53183 mptcp: allow subflow rcv wnd to shrink

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/mptcp/options.c"
    ],
    "versions": [
      {
        "version": "f3589be0c420a3137e5902d15705ced6a36f3f43",
        "lessThan": "bf364b0f10b27679140699821f88af7f01e2a6e3",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f3589be0c420a3137e5902d15705ced6a36f3f43",
        "lessThan": "b1fd13074f22105deec45aa02283e322733e0c2d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f3589be0c420a3137e5902d15705ced6a36f3f43",
        "lessThan": "aa3861f40ac32706d9e97bfac76984613e278788",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f3589be0c420a3137e5902d15705ced6a36f3f43",
        "lessThan": "653245266913f03fcf21cbca68eed5c197a33e52",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f3589be0c420a3137e5902d15705ced6a36f3f43",
        "lessThan": "c297a4e65c50a2b807d9309b22615080faffa8f3",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f3589be0c420a3137e5902d15705ced6a36f3f43",
        "lessThan": "da23be77e1292cd611e736c3aa17da633d7ddce7",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/mptcp/options.c"
    ],
    "versions": [
      {
        "version": "5.19",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.19",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.176",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.143",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.94",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.36",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.13",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]