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Echo: linux: security update to 6.1.170-1

medium Tenable Cloud Security Plugin ID 460425

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: net: fec: handle
 page_pool_dev_alloc_pages error The fec_enet_update_cbd function calls page_pool_dev_alloc_pages but did
 not handle the case when it returned NULL. There was a WARN_ON(!new_page) but it would still proceed to
 use the NULL pointer and then crash. This case does seem somewhat rare but when the system is under memory
 pressure it can happen. One case where I can duplicate this with some frequency is when writing over a
 smbd share to a SATA HDD attached to an imx6q. Setting /proc/sys/vm/min_free_kbytes to higher values also
 seems to solve the problem for my test case. But it still seems wrong that the fec driver ignores the
 memory allocation error and can crash. This commit handles the allocation error by dropping the current
 packet. (CVE-2025-21676)

Solution

Update the linux library and its related packages to version 6.1.170-1 or later.

See Also

https://advisory.echohq.com/cve/CVE-2025-21676

Plugin Details

Severity: Medium

ID: 460425

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.18

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-2025-21676

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: 1/31/2025

Reference Information

CVE: CVE-2025-21676