CVE-2025-39692CWE-476

CVE-2025-39692

Medium · published September 5, 2025

CVSS v3.1
5.5
EPSS
0%
Percentile
4.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.5 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00161 · 4.9th percentile
Weakness
CWE-476 · NULL Pointer Dereference
Published
2025-09-05T22:15Z
Affected products (7)
ProductVersionsFixed in
linux/linux_kernel≥ 5.15, < 6.1.1496.1.149
linux/linux_kernel≥ 6.2, < 6.6.1036.6.103
linux/linux_kernel≥ 6.7, < 6.12.446.12.44
linux/linux_kernel≥ 6.13, < 6.16.46.16.4
linux/linux_kernelall versions—
linux/linux_kernelall versions—
debian/debian_linuxall versions—
References (7)
https://git.kernel.org/stable/c/003e6a3150299f681f34cb189aa068018cef6a45 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/212eb86f75b4d7b82f3d94aed95ba61103bccb93 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/524e90e58a267dad11e23351d9e4b1f941490976 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/bac7b996d42e458a94578f4227795a0d4deef6fa · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e41e33400516702427603f8fbbec43c91ede09c0 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html · af854a3a-2127-422b-91ae-364da2661108https://cert-portal.siemens.com/productcert/html/ssa-032379.html · 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
EPSS history
Timeline
  • 05 SEP 17:20Z
    smb: server: split ksmbd_rdma_stop_listening() out of ksmbd_rdma_destroy()
    cvelistv5