github - ghsa-2vj6-wmm6-q722

GHSA-2VJ6-WMM6-Q722

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:

smb: client: let recv_done verify data_offset, data_length and remaining_data_length

This is inspired by the related server fixes.

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{
  "affected": [],
  "aliases": [
    "CVE-2025-39933"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-10-04T08:15:46Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nsmb: client: let recv_done verify data_offset, data_length and remaining_data_length\n\nThis is inspired by the related server fixes.",
  "id": "GHSA-2vj6-wmm6-q722",
  "modified": "2025-10-04T09:30:20Z",
  "published": "2025-10-04T09:30:20Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-39933"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/581fb78e0388b78911b0c920e4073737090c8b5f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f57e53ea252363234f86674db475839e5b87102e"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2025-39933 (GCVE-0-2025-39933)

Vulnerability from cvelistv5 – Published: 2025-10-04 07:30 – Updated: 2025-10-04 07:30

Summary

In the Linux kernel, the following vulnerability has been resolved: smb: client: let recv_done verify data_offset, data_length and remaining_data_length This is inspired by the related server fixes.

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/581fb78e0388b7891…
	https://git.kernel.org/stable/c/f57e53ea252363234…

Impacted products

Vendor

Product

Version

Linux

Affected: f198186aa9bbd60fae7a2061f4feec614d880299 , < 581fb78e0388b78911b0c920e4073737090c8b5f (git)
Affected: f198186aa9bbd60fae7a2061f4feec614d880299 , < f57e53ea252363234f86674db475839e5b87102e (git)

Linux

Affected: 4.16
Unaffected: 0 , < 4.16 (semver)
Unaffected: 6.16.9 , ≤ 6.16.* (semver)
Unaffected: 6.17 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/smb/client/smbdirect.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "581fb78e0388b78911b0c920e4073737090c8b5f",
              "status": "affected",
              "version": "f198186aa9bbd60fae7a2061f4feec614d880299",
              "versionType": "git"
            },
            {
              "lessThan": "f57e53ea252363234f86674db475839e5b87102e",
              "status": "affected",
              "version": "f198186aa9bbd60fae7a2061f4feec614d880299",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "fs/smb/client/smbdirect.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4.16"
            },
            {
              "lessThan": "4.16",
              "status": "unaffected",
              "version": "0",
              "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": "6.16.9",
                  "versionStartIncluding": "4.16",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.17",
                  "versionStartIncluding": "4.16",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsmb: client: let recv_done verify data_offset, data_length and remaining_data_length\n\nThis is inspired by the related server fixes."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-10-04T07:30:57.496Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/581fb78e0388b78911b0c920e4073737090c8b5f"
        },
        {
          "url": "https://git.kernel.org/stable/c/f57e53ea252363234f86674db475839e5b87102e"
        }
      ],
      "title": "smb: client: let recv_done verify data_offset, data_length and remaining_data_length",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-39933",
    "datePublished": "2025-10-04T07:30:57.496Z",
    "dateReserved": "2025-04-16T07:20:57.148Z",
    "dateUpdated": "2025-10-04T07:30:57.496Z",
    "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-2VJ6-WMM6-Q722

CVE-2025-39933 (GCVE-0-2025-39933)

Tags

Sightings

Nomenclature