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Echo: linux: security update to 6.1.164-1

medium Tenable Cloud Security Plugin ID 458202

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: mptcp: fix race in
 mptcp_pm_nl_flush_addrs_doit() syzbot and Eulgyu Kim reported crashes in mptcp_pm_nl_get_local_id() and/or
 mptcp_pm_nl_is_backup() Root cause is list_splice_init() in mptcp_pm_nl_flush_addrs_doit() which is not
 RCU ready. list_splice_init_rcu() can not be called here while holding pernet->lock spinlock. Many thanks
 to Eulgyu Kim for providing a repro and testing our patches. (CVE-2026-23169)

Solution

Update the linux library and its related packages to version 6.1.164-1 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-23169

Plugin Details

Severity: Medium

ID: 458202

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.52

CVSS v2

Risk Factor: Low

Base Score: 3.8

Temporal Score: 2.8

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

CVSS Score Source: CVE-2026-23169

CVSS v3

Risk Factor: Medium

Base Score: 4.7

Temporal Score: 4.1

Vector: CVSS:3.0/AV:L/AC:H/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: 2/15/2026

Vulnerability Publication Date: 2/14/2026

Reference Information

CVE: CVE-2026-23169