github - ghsa-9wq2-qrhf-fmm4

GHSA-9WQ2-QRHF-FMM4

Vulnerability from github – Published: 2025-09-05 18:31 – Updated: 2025-11-03 18:31

Details

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

smb: server: split ksmbd_rdma_stop_listening() out of ksmbd_rdma_destroy()

We can't call destroy_workqueue(smb_direct_wq); before stop_sessions()!

Otherwise already existing connections try to use smb_direct_wq as a NULL pointer.

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{
  "affected": [],
  "aliases": [
    "CVE-2025-39692"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-09-05T18:15:45Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nsmb: server: split ksmbd_rdma_stop_listening() out of ksmbd_rdma_destroy()\n\nWe can\u0027t call destroy_workqueue(smb_direct_wq); before stop_sessions()!\n\nOtherwise already existing connections try to use smb_direct_wq as\na NULL pointer.",
  "id": "GHSA-9wq2-qrhf-fmm4",
  "modified": "2025-11-03T18:31:39Z",
  "published": "2025-09-05T18:31:26Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-39692"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/003e6a3150299f681f34cb189aa068018cef6a45"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/212eb86f75b4d7b82f3d94aed95ba61103bccb93"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/524e90e58a267dad11e23351d9e4b1f941490976"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/bac7b996d42e458a94578f4227795a0d4deef6fa"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e41e33400516702427603f8fbbec43c91ede09c0"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2025-39692 (GCVE-0-2025-39692)

Vulnerability from cvelistv5 – Published: 2025-09-05 17:20 – Updated: 2025-11-03 17:42

Title

smb: server: split ksmbd_rdma_stop_listening() out of ksmbd_rdma_destroy()

Summary

In the Linux kernel, the following vulnerability has been resolved: smb: server: split ksmbd_rdma_stop_listening() out of ksmbd_rdma_destroy() We can't call destroy_workqueue(smb_direct_wq); before stop_sessions()! Otherwise already existing connections try to use smb_direct_wq as a NULL pointer.

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/524e90e58a267dad1…
	https://git.kernel.org/stable/c/212eb86f75b4d7b82…
	https://git.kernel.org/stable/c/003e6a3150299f681…
	https://git.kernel.org/stable/c/e41e3340051670242…
	https://git.kernel.org/stable/c/bac7b996d42e458a9…

Impacted products

Vendor

Product

Version

Linux

Affected: 0626e6641f6b467447c81dd7678a69c66f7746cf , < 524e90e58a267dad11e23351d9e4b1f941490976 (git)
Affected: 0626e6641f6b467447c81dd7678a69c66f7746cf , < 212eb86f75b4d7b82f3d94aed95ba61103bccb93 (git)
Affected: 0626e6641f6b467447c81dd7678a69c66f7746cf , < 003e6a3150299f681f34cb189aa068018cef6a45 (git)
Affected: 0626e6641f6b467447c81dd7678a69c66f7746cf , < e41e33400516702427603f8fbbec43c91ede09c0 (git)
Affected: 0626e6641f6b467447c81dd7678a69c66f7746cf , < bac7b996d42e458a94578f4227795a0d4deef6fa (git)

Linux

Affected: 5.15
Unaffected: 0 , < 5.15 (semver)
Unaffected: 6.1.149 , ≤ 6.1.* (semver)
Unaffected: 6.6.103 , ≤ 6.6.* (semver)
Unaffected: 6.12.44 , ≤ 6.12.* (semver)
Unaffected: 6.16.4 , ≤ 6.16.* (semver)
Unaffected: 6.17 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

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        "references": [
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            "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"
          }
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              "lessThanOrEqual": "6.16.*",
              "status": "unaffected",
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      "cpeApplicability": [
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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-9WQ2-QRHF-FMM4

CVE-2025-39692 (GCVE-0-2025-39692)

Tags

Sightings

Nomenclature