CVE-2025-40285

—

CVSS 3.1

7.5 high

EPSS

<1%p35

Published

Dec 6, 2025 (Dec 6, 2025)

Modified

Jul 30, 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().

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

NVD CVE.org GitHub PoCs EPSS (0.4%)

In the news0 stories

No ingested article mentions this CVE yet.