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Echo: linux: security update to 6.12.85-1

high Tenable Cloud Security Plugin ID 458632

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: espintcp: Fix race condition in
 espintcp_close() This issue was discovered during a code audit. After cancel_work_sync() is called from
 espintcp_close(), espintcp_tx_work() can still be scheduled from paths such as the Delayed ACK handler or
 ksoftirqd. As a result, the espintcp_tx_work() worker may dereference a freed espintcp ctx or sk. The
 following is a simple race scenario: cpu0 cpu1 espintcp_close() cancel_work_sync(&ctx->work);
 espintcp_write_space() schedule_work(&ctx->work); To prevent this race condition, cancel_work_sync() is
 replaced with disable_work_sync(). (CVE-2026-23239)

Solution

Update the linux library and its related packages to version 6.12.85-1 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-23239

Plugin Details

Severity: High

ID: 458632

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.94

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-2026-23239

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: 3/10/2026

Reference Information

CVE: CVE-2026-23239