ghsa-xp33-mgvv-9242
Vulnerability from github
Published
2025-11-13 00:30
Modified
2025-11-13 00:30
Details

In the Linux kernel, the following vulnerability has been resolved:

net/sctp: fix a null dereference in sctp_disposition sctp_sf_do_5_1D_ce()

If new_asoc->peer.adaptation_ind=0 and sctp_ulpevent_make_authkey=0 and sctp_ulpevent_make_authkey() returns 0, then the variable ai_ev remains zero and the zero will be dereferenced in the sctp_ulpevent_free() function.

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{
  "affected": [],
  "aliases": [
    "CVE-2025-40187"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-11-12T22:15:45Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/sctp: fix a null dereference in sctp_disposition sctp_sf_do_5_1D_ce()\n\nIf new_asoc-\u003epeer.adaptation_ind=0 and sctp_ulpevent_make_authkey=0\nand sctp_ulpevent_make_authkey() returns 0, then the variable\nai_ev remains zero and the zero will be dereferenced\nin the sctp_ulpevent_free() function.",
  "id": "GHSA-xp33-mgvv-9242",
  "modified": "2025-11-13T00:30:18Z",
  "published": "2025-11-13T00:30:17Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-40187"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/025419f4e216a3ae0d0cec622262e98e8078c447"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1014b83778c8677f1d7a57c26dc728baa801ac62"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2f3119686ef50319490ccaec81a575973da98815"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7f702f85df0266ed7b5bab81ba50394c92f3c928"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/badbd79313e6591616c1b78e29a9b71efed7f035"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c21f45cfa4a9526b34d76b397c9ef080668b6e73"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d0e8f1445c19b1786759ba72a38267e1449bab7e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/dbceedc0213e75bf3e9f9f9e2f66b10699d004fe"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}


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