CVE-2025-40285

HighCVSS 7.5/10Last modified Oct 15, 2026

Description

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

smb/server: fix possible refcount leak in smb2_sess_setup()

Reference count of ksmbd_session will leak when session need reconnect. Fix this by adding the missing ksmbd_user_session_put().

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected software

No affected versions have been published.

Timeline

Published
Dec 6, 2025
Last modified
Oct 15, 2026
NVD status
Deferred

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CVE-2025-40285: High severity, CVSS 7.5 | Vulnix