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Echo: linux: security update to 6.1.170-1

medium Tenable Self-Hosted Container Security Plugin ID 464329

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: sched: cls_api: fix
 tc_chain_fill_node to initialize tcm_info to zero to prevent an info-leak When building netlink messages,
 tc_chain_fill_node() never initializes the tcm_info field of struct tcmsg. Since the allocation is not
 zeroed, kernel heap memory is leaked to userspace through this 4-byte field. The fix simply zeroes
 tcm_info alongside the other fields that are already initialized. (CVE-2026-43035)

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-2026-43035

Plugin Details

Severity: Medium

ID: 464329

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.71

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-2026-43035

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-2026-43035