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Echo: linux: security update to 6.12.43-1

medium Tenable Self-Hosted Container Security Plugin ID 463630

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: kcm: Fix race condition in
 kcm_unattach() syzbot found a race condition when kcm_unattach(psock) and kcm_release(kcm) are executed at
 the same time. kcm_unattach() is missing a check of the flag kcm->tx_stopped before calling queue_work().
 If the kcm has a reserved psock, kcm_unattach() might get executed between cancel_work_sync() and
 unreserve_psock() in kcm_release(), requeuing kcm->tx_work right before kcm gets freed in kcm_done().
 Remove kcm->tx_stopped and replace it by the less error-prone disable_work_sync(). (CVE-2025-38717)

Solution

Update the linux library and its related packages to version 6.12.43-1 or later.

See Also

https://advisory.echohq.com/cve/CVE-2025-38717

Plugin Details

Severity: Medium

ID: 463630

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.17

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-2025-38717

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: 9/15/2025

Vulnerability Publication Date: 9/4/2025

Reference Information

CVE: CVE-2025-38717