github - ghsa-xw7x-gch6-cpx7

GHSA-XW7X-GCH6-CPX7

Vulnerability from github – Published: 2025-10-04 09:30 – Updated: 2025-10-04 09:30

Details

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

ksmbd: smbdirect: validate data_offset and data_length field of smb_direct_data_transfer

If data_offset and data_length of smb_direct_data_transfer struct are invalid, out of bounds issue could happen. This patch validate data_offset and data_length field in recv_done.

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2025-39943"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-10-04T08:15:47Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: smbdirect: validate data_offset and data_length field of smb_direct_data_transfer\n\nIf data_offset and data_length of smb_direct_data_transfer struct are\ninvalid, out of bounds issue could happen.\nThis patch validate data_offset and data_length field in recv_done.",
  "id": "GHSA-xw7x-gch6-cpx7",
  "modified": "2025-10-04T09:30:21Z",
  "published": "2025-10-04T09:30:21Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-39943"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5282491fc49d5614ac6ddcd012e5743eecb6a67c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/529b121b00a6ee3c88fb3c01b443b2b81f686d48"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/773fddf976d282ef059c36c575ddb81567acd6bc"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8be498fcbd5b07272f560b45981d4b9e5a2ad885"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/bdaab5c6538e250a9654127e688ecbbeb6f771d5"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/eb0378dde086363046ed3d7db7f126fc3f76fd70"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2025-39943 (GCVE-0-2025-39943)

Vulnerability from cvelistv5 – Published: 2025-10-04 07:31 – Updated: 2025-10-04 07:37

Summary

In the Linux kernel, the following vulnerability has been resolved: ksmbd: smbdirect: validate data_offset and data_length field of smb_direct_data_transfer If data_offset and data_length of smb_direct_data_transfer struct are invalid, out of bounds issue could happen. This patch validate data_offset and data_length field in recv_done.

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/773fddf976d282ef0…
	https://git.kernel.org/stable/c/bdaab5c6538e250a9…
	https://git.kernel.org/stable/c/eb0378dde08636304…
	https://git.kernel.org/stable/c/8be498fcbd5b07272…
	https://git.kernel.org/stable/c/529b121b00a6ee3c8…
	https://git.kernel.org/stable/c/5282491fc49d5614a…

Impacted products

Vendor

Product

Version

Linux

Affected: 2ea086e35c3d726a3bacd0a971c1f02a50e98206 , < 773fddf976d282ef059c36c575ddb81567acd6bc (git)
Affected: 2ea086e35c3d726a3bacd0a971c1f02a50e98206 , < bdaab5c6538e250a9654127e688ecbbeb6f771d5 (git)
Affected: 2ea086e35c3d726a3bacd0a971c1f02a50e98206 , < eb0378dde086363046ed3d7db7f126fc3f76fd70 (git)
Affected: 2ea086e35c3d726a3bacd0a971c1f02a50e98206 , < 8be498fcbd5b07272f560b45981d4b9e5a2ad885 (git)
Affected: 2ea086e35c3d726a3bacd0a971c1f02a50e98206 , < 529b121b00a6ee3c88fb3c01b443b2b81f686d48 (git)
Affected: 2ea086e35c3d726a3bacd0a971c1f02a50e98206 , < 5282491fc49d5614ac6ddcd012e5743eecb6a67c (git)

Linux

Affected: 5.15
Unaffected: 0 , < 5.15 (semver)
Unaffected: 5.15.194 , ≤ 5.15.* (semver)
Unaffected: 6.1.154 , ≤ 6.1.* (semver)
Unaffected: 6.6.108 , ≤ 6.6.* (semver)
Unaffected: 6.12.49 , ≤ 6.12.* (semver)
Unaffected: 6.16.9 , ≤ 6.16.* (semver)
Unaffected: 6.17 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/smb/server/transport_rdma.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "773fddf976d282ef059c36c575ddb81567acd6bc",
              "status": "affected",
              "version": "2ea086e35c3d726a3bacd0a971c1f02a50e98206",
              "versionType": "git"
            },
            {
              "lessThan": "bdaab5c6538e250a9654127e688ecbbeb6f771d5",
              "status": "affected",
              "version": "2ea086e35c3d726a3bacd0a971c1f02a50e98206",
              "versionType": "git"
            },
            {
              "lessThan": "eb0378dde086363046ed3d7db7f126fc3f76fd70",
              "status": "affected",
              "version": "2ea086e35c3d726a3bacd0a971c1f02a50e98206",
              "versionType": "git"
            },
            {
              "lessThan": "8be498fcbd5b07272f560b45981d4b9e5a2ad885",
              "status": "affected",
              "version": "2ea086e35c3d726a3bacd0a971c1f02a50e98206",
              "versionType": "git"
            },
            {
              "lessThan": "529b121b00a6ee3c88fb3c01b443b2b81f686d48",
              "status": "affected",
              "version": "2ea086e35c3d726a3bacd0a971c1f02a50e98206",
              "versionType": "git"
            },
            {
              "lessThan": "5282491fc49d5614ac6ddcd012e5743eecb6a67c",
              "status": "affected",
              "version": "2ea086e35c3d726a3bacd0a971c1f02a50e98206",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "fs/smb/server/transport_rdma.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.15"
            },
            {
              "lessThan": "5.15",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.194",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.154",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.108",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.49",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.16.*",
              "status": "unaffected",
              "version": "6.16.9",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.17",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.194",
                  "versionStartIncluding": "5.15",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.154",
                  "versionStartIncluding": "5.15",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.108",
                  "versionStartIncluding": "5.15",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.49",
                  "versionStartIncluding": "5.15",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.16.9",
                  "versionStartIncluding": "5.15",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.17",
                  "versionStartIncluding": "5.15",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: smbdirect: validate data_offset and data_length field of smb_direct_data_transfer\n\nIf data_offset and data_length of smb_direct_data_transfer struct are\ninvalid, out of bounds issue could happen.\nThis patch validate data_offset and data_length field in recv_done."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-10-04T07:37:03.203Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/773fddf976d282ef059c36c575ddb81567acd6bc"
        },
        {
          "url": "https://git.kernel.org/stable/c/bdaab5c6538e250a9654127e688ecbbeb6f771d5"
        },
        {
          "url": "https://git.kernel.org/stable/c/eb0378dde086363046ed3d7db7f126fc3f76fd70"
        },
        {
          "url": "https://git.kernel.org/stable/c/8be498fcbd5b07272f560b45981d4b9e5a2ad885"
        },
        {
          "url": "https://git.kernel.org/stable/c/529b121b00a6ee3c88fb3c01b443b2b81f686d48"
        },
        {
          "url": "https://git.kernel.org/stable/c/5282491fc49d5614ac6ddcd012e5743eecb6a67c"
        }
      ],
      "title": "ksmbd: smbdirect: validate data_offset and data_length field of smb_direct_data_transfer",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-39943",
    "datePublished": "2025-10-04T07:31:05.581Z",
    "dateReserved": "2025-04-16T07:20:57.148Z",
    "dateUpdated": "2025-10-04T07:37:03.203Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-XW7X-GCH6-CPX7

CVE-2025-39943 (GCVE-0-2025-39943)

Tags

Sightings

Nomenclature