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

Type: advisorySources: OSV

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.

Products
Kernel
Affected versions
Not specified
Fixed versions
6.1.149, 6.12.44, 6.16.4, 6.6.103
CVEs
CVE-2025-39692
Confirmed fixed CVEs
Not specified
Updated in this feed
2 Nov 2026, 21:17 UTC · Revision 1

Source evidence

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

core-osv · Original source

Published 5 Sept 2025, 17:20 UTC

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.

osv:CVE-2025-39692

Kernel

Fixed versions: 6.1.149, 6.6.103, 6.12.44, 6.16.4

Complete source record
{
  "id": "58a5b6e21a7660501044b23e276c97c7073b7431f907e79e0bc88410ec4cf834",
  "url": "https://osv.dev/vulnerability/CVE-2025-39692",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "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.",
    "evidence": "osv:CVE-2025-39692",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "6.1.149",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.6.103",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.12.44",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.16.4",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2025-39692",
      "aliases": [
        "CVE-2025-39692"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0626e6641f6b467447c81dd7678a69c66f7746cf"
                },
                {
                  "fixed": "524e90e58a267dad11e23351d9e4b1f941490976"
                },
                {
                  "fixed": "212eb86f75b4d7b82f3d94aed95ba61103bccb93"
                },
                {
                  "fixed": "003e6a3150299f681f34cb189aa068018cef6a45"
                },
                {
                  "fixed": "e41e33400516702427603f8fbbec43c91ede09c0"
                },
                {
                  "fixed": "bac7b996d42e458a94578f4227795a0d4deef6fa"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-39692.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.15.0"
                },
                {
                  "fixed": "6.1.149"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.2.0"
                },
                {
                  "fixed": "6.6.103"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.7.0"
                },
                {
                  "fixed": "6.12.44"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.13.0"
                },
                {
                  "fixed": "6.16.4"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-39692.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:23.525401982Z",
      "provider": "osv",
      "references": [
        "https://cert-portal.siemens.com/productcert/html/ssa-032379.html",
        "https://git.kernel.org/stable/c/003e6a3150299f681f34cb189aa068018cef6a45",
        "https://git.kernel.org/stable/c/212eb86f75b4d7b82f3d94aed95ba61103bccb93",
        "https://git.kernel.org/stable/c/524e90e58a267dad11e23351d9e4b1f941490976",
        "https://git.kernel.org/stable/c/bac7b996d42e458a94578f4227795a0d4deef6fa",
        "https://git.kernel.org/stable/c/e41e33400516702427603f8fbbec43c91ede09c0",
        "https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/39xxx/CVE-2025-39692.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-39692",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
      ],
      "provider_metadata": {
        "cna_assigner": "Linux",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/39xxx/CVE-2025-39692.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-39692",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 490159,
  "published_at": "2025-09-05T17:20:58.349+00:00"
}