Detections
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Echo: linux: security update to 6.1.187-1

high Tenable Self-Hosted Container Security Plugin ID 464919

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: af_unix: Set gc_in_progress to true in
 unix_gc(). Igor Ushakov reported that unix_gc() could run with gc_in_progress being false if the work is
 scheduled while running: Thread 1 Thread 2 Thread 3 -------- -------- -------- unix_schedule_gc()
 unix_schedule_gc() `- if (!gc_in_progress) `- if (!gc_in_progress) |- gc_in_progress = true | `-
 queue_work() | unix_gc() <----------------/ | | |- gc_in_progress = true ... `- queue_work() | | `-
 gc_in_progress = false | | unix_gc() <---------------------------------------------' | ... /*
 gc_in_progress == false */ | `- gc_in_progress = false unix_peek_fpl() relies on gc_in_progress not to
 confuse GC by MSG_PEEK. Let's set gc_in_progress to true in unix_gc(). (CVE-2026-53361)

Solution

Update the linux library and its related packages to version 6.1.187-1 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-53361

Plugin Details

Severity: High

ID: 464919

Version: Revision 1.2

Type: Local

Published: 10/2/2026

Updated: 10/5/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Medium

Score: 6.3

Percentile: 96.3

CVSS v2

Risk Factor: Medium

Base Score: 6.2

Temporal Score: 4.6

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

CVSS Score Source: CVE-2026-53361

CVSS v3

Risk Factor: High

Base Score: 7.1

Temporal Score: 6.2

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/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: 7/5/2026

Vulnerability Publication Date: 7/4/2026

Reference Information

CVE: CVE-2026-53361