CVE-2025-39692

MEDIUM EPSS 4.2%
Published Sep 5, 20259mo ago · Modified Jun 17, 20261w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Sep 5, 2025 9mo ago
Last Modified Jun 17, 2026 1w ago

Description

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.

CVSS Details

Base Score
5.5
Exploitability
1.8
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
4.2% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-476 NULL Pointer Dereference Memory Safety

Affected Products 7

VendorProductVersionRange
linuxlinux_kernel*≥5.15  –  <6.1.149
linuxlinux_kernel*≥6.2  –  <6.6.103
linuxlinux_kernel*≥6.7  –  <6.12.44
linuxlinux_kernel*≥6.13  –  <6.16.4
linuxlinux_kernel6.17any
linuxlinux_kernel6.17any
debiandebian_linux11.0any

References 7

  • cert-portal.siemens.com https://cert-portal.siemens.com/productcert/html/ssa-032379.html
  • git.kernel.org https://git.kernel.org/stable/c/003e6a3150299f681f34cb189aa068018cef6a45
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/212eb86f75b4d7b82f3d94aed95ba61103bccb93
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/524e90e58a267dad11e23351d9e4b1f941490976
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/bac7b996d42e458a94578f4227795a0d4deef6fa
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/e41e33400516702427603f8fbbec43c91ede09c0
    Patch
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html
    Mailing ListThird Party Advisory

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/003e6a3150299f681f34cb189aa068018cef6a45
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/212eb86f75b4d7b82f3d94aed95ba61103bccb93
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/524e90e58a267dad11e23351d9e4b1f941490976
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/bac7b996d42e458a94578f4227795a0d4deef6fa
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/e41e33400516702427603f8fbbec43c91ede09c0
    Patch