CVE-2025-39942 (GCVE-0-2025-39942)
Vulnerability from cvelistv5
Published
2025-10-04 07:31
Modified
2025-10-04 07:31
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: ksmbd: smbdirect: verify remaining_data_length respects max_fragmented_recv_size This is inspired by the check for data_offset + data_length.
Impacted products
Vendor Product Version
Linux Linux Version: 2ea086e35c3d726a3bacd0a971c1f02a50e98206
Version: 2ea086e35c3d726a3bacd0a971c1f02a50e98206
Version: 2ea086e35c3d726a3bacd0a971c1f02a50e98206
Version: 2ea086e35c3d726a3bacd0a971c1f02a50e98206
Version: 2ea086e35c3d726a3bacd0a971c1f02a50e98206
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{
  "containers": {
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      "affected": [
        {
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          "product": "Linux",
          "programFiles": [
            "fs/smb/server/transport_rdma.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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              "version": "5.15"
            },
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              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
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              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
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              "versionType": "semver"
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              "status": "unaffected",
              "version": "6.17",
              "versionType": "original_commit_for_fix"
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      ],
      "cpeApplicability": [
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          "nodes": [
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              ],
              "negate": false,
              "operator": "OR"
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      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: smbdirect: verify remaining_data_length respects max_fragmented_recv_size\n\nThis is inspired by the check for data_offset + data_length."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-10-04T07:31:04.810Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
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          "url": "https://git.kernel.org/stable/c/196a3a7676d726ee67621ea2bf3b7815ac2685b4"
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          "url": "https://git.kernel.org/stable/c/d3cb3f209d35c44b7ee74f77ed27ebb28995b9ce"
        },
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        },
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        },
        {
          "url": "https://git.kernel.org/stable/c/e1868ba37fd27c6a68e31565402b154beaa65df0"
        }
      ],
      "title": "ksmbd: smbdirect: verify remaining_data_length respects max_fragmented_recv_size",
      "x_generator": {
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  },
  "cveMetadata": {
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    "assignerShortName": "Linux",
    "cveId": "CVE-2025-39942",
    "datePublished": "2025-10-04T07:31:04.810Z",
    "dateReserved": "2025-04-16T07:20:57.148Z",
    "dateUpdated": "2025-10-04T07:31:04.810Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
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  }
}


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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.


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