Detections
Analytics

Echo: linux: security update to 6.1.147-1

medium Tenable Cloud Security Plugin ID 462495

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: clone_private_mnt(): make sure that
 caller has CAP_SYS_ADMIN in the right userns What we want is to verify there is that clone won't expose
 something hidden by a mount we wouldn't be able to undo. "Wouldn't be able to undo" may be a result of
 MNT_LOCKED on a child, but it may also come from lacking admin rights in the userns of the namespace mount
 belongs to. clone_private_mnt() checks the former, but not the latter. There's a number of rather
 confusing CAP_SYS_ADMIN checks in various userns during the mount, especially with the new mount API; they
 serve different purposes and in case of clone_private_mnt() they usually, but not always end up covering
 the missing check mentioned above. (CVE-2025-38499)

Solution

Update the linux library and its related packages to version 6.1.147-1 or later.

See Also

https://advisory.echohq.com/cve/CVE-2025-38499

Plugin Details

Severity: Medium

ID: 462495

Version: Revision 1.2

Type: Local

Published: 10/2/2026

Updated: 10/5/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Medium

Score: 5

Percentile: 93.19

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.4

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

CVSS Score Source: CVE-2025-38499

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/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: 9/15/2025

Vulnerability Publication Date: 9/15/2025

Reference Information

CVE: CVE-2025-38499