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Echo: linux: security update to 6.1.177-1

high Tenable Self-Hosted Container Security Plugin ID 464831

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: netfilter: nf_tables: always walk all
 pending catchall elements During transaction processing we might have more than one catchall element: 1
 live catchall element and 1 pending element that is coming as part of the new batch. If the map holding
 the catchall elements is also going away, its required to toggle all catchall elements and not just the
 first viable candidate. Otherwise, we get: WARNING: ./include/net/netfilter/nf_tables.h:1281 at
 nft_data_release+0xb7/0xe0 [nf_tables], CPU#2: nft/1404 RIP: 0010:nft_data_release+0xb7/0xe0 [nf_tables]
 [..] __nft_set_elem_destroy+0x106/0x380 [nf_tables] nf_tables_abort_release+0x348/0x8d0 [nf_tables]
 nf_tables_abort+0xcf2/0x3ac0 [nf_tables] nfnetlink_rcv_batch+0x9c9/0x20e0 [..] (CVE-2026-23278)

Solution

Update the linux library and its related packages to version 6.1.177-1 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-23278

Plugin Details

Severity: High

ID: 464831

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.96

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2026-23278

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/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: 5/1/2026

Vulnerability Publication Date: 3/20/2026

Reference Information

CVE: CVE-2026-23278