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Echo: linux: security update to 6.1.170-1

medium Tenable Self-Hosted Container Security Plugin ID 461025

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: vxlan: validate ND option lengths in
 vxlan_na_create vxlan_na_create() walks ND options according to option-provided lengths. A malformed
 option can make the parser advance beyond the computed option span or use a too-short source LLADDR option
 payload. Validate option lengths against the remaining NS option area before advancing, and only read
 source LLADDR when the option is large enough for an Ethernet address. (CVE-2026-31738)

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-2026-31738

Plugin Details

Severity: Medium

ID: 461025

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.74

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-2026-31738

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: 5/2/2026

Vulnerability Publication Date: 4/23/2026

Reference Information

CVE: CVE-2026-31738