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Echo: linux: security update to 6.1.135-1

medium Tenable Self-Hosted Container Security Plugin ID 464100

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: watch_queue: fix pipe accounting
 mismatch Currently, watch_queue_set_size() modifies the pipe buffers charged to user->pipe_bufs without
 updating the pipe->nr_accounted on the pipe itself, due to the if (!pipe_has_watch_queue()) test in
 pipe_resize_ring(). This means that when the pipe is ultimately freed, we decrement user->pipe_bufs by
 something other than what than we had charged to it, potentially leading to an underflow. This in turn can
 cause subsequent too_many_pipe_buffers_soft() tests to fail with -EPERM. To remedy this, explicitly
 account for the pipe usage in watch_queue_set_size() to match the number set via account_pipe_buffers()
 (It's unclear why watch_queue_set_size() does not update nr_accounted; it may be due to intentional
 overprovisioning in watch_queue_set_size()?) (CVE-2025-23138)

Solution

Update the linux library and its related packages to version 6.1.135-1 or later.

See Also

https://advisory.echohq.com/cve/CVE-2025-23138

Plugin Details

Severity: Medium

ID: 464100

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Medium

Score: 5

Percentile: 93.22

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-2025-23138

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: 4/16/2025

Reference Information

CVE: CVE-2025-23138