Detections
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Echo: linux: security update to 6.1.159-1

high Tenable Self-Hosted Container Security Plugin ID 464491

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - 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(). (CVE-2025-40285)

Solution

Update the linux library and its related packages to version 6.1.159-1 or later.

See Also

https://advisory.echohq.com/cve/CVE-2025-40285

Plugin Details

Severity: High

ID: 464491

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.36

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

CVSS Score Source: CVE-2025-40285

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 12/7/2025

Vulnerability Publication Date: 12/6/2025

Reference Information

CVE: CVE-2025-40285