Detections
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Echo: linux: security update to 6.1.170-1

medium Tenable Cloud Security Plugin ID 464437

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: can: mcp251x: fix deadlock in error
 path of mcp251x_open The mcp251x_open() function call free_irq() in its error path with the mpc_lock mutex
 held. But if an interrupt already occurred the interrupt handler will be waiting for the mpc_lock and
 free_irq() will deadlock waiting for the handler to finish. This issue is similar to the one fixed in
 commit 7dd9c26bd6cf ("can: mcp251x: fix deadlock if an interrupt occurs during mcp251x_open") but for the
 error path. To solve this issue move the call to free_irq() after the lock is released. Setting
 `priv->force_quit = 1` beforehand ensure that the IRQ handler will exit right away once it acquired the
 lock. (CVE-2026-23357)

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-2026-23357

Plugin Details

Severity: Medium

ID: 464437

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.72

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-2026-23357

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: 5/1/2026

Vulnerability Publication Date: 3/25/2026

Reference Information

CVE: CVE-2026-23357