CVE-2025-39692

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

CVE-2025-39692 is fixed in linux on 1 platform, first by DEBIAN-CVE-2025-39692, released September 5, 2025. It is not reported as exploited. Patch Radar priority: Routine.

Routine

CVSS

5.5

medium

Exploitation

None reported

No vendor assessment

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0017

6th percentile

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.

Where it's fixed

Product	Fixed in	Fix	Released
Linux
linux · Debian 12.15 (bookworm)	6.1.153-1	DEBIAN-CVE-2025-39692	Sep 5, 2025
linux · Debian 13.5 (trixie)	6.12.48-1	DEBIAN-CVE-2025-39692	Sep 5, 2025
linux · Debian 14	6.16.5-1	DEBIAN-CVE-2025-39692	Sep 5, 2025

Details

Published
September 5, 2025
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-39692

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