Detections
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Echo: linux: security update to 6.1.158-1

high Tenable Cloud Security Plugin ID 462318

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: ipvs: Defer ip_vs_ftp unregister
 during netns cleanup On the netns cleanup path, __ip_vs_ftp_exit() may unregister ip_vs_ftp before
 connections with valid cp->app pointers are flushed, leading to a use-after-free. Fix this by introducing
 a global `exiting_module` flag, set to true in ip_vs_ftp_exit() before unregistering the pernet subsystem.
 In __ip_vs_ftp_exit(), skip ip_vs_ftp unregister if called during netns cleanup (when exiting_module is
 false) and defer it to __ip_vs_cleanup_batch(), which unregisters all apps after all connections are
 flushed. If called during module exit, unregister ip_vs_ftp immediately. (CVE-2025-40018)

Solution

Update the linux library and its related packages to version 6.1.158-1 or later.

See Also

https://advisory.echohq.com/cve/CVE-2025-40018

Plugin Details

Severity: High

ID: 462318

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.27

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2025-40018

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/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: 10/24/2025

Vulnerability Publication Date: 10/23/2025

Reference Information

CVE: CVE-2025-40018