Detections
Analytics

Echo: linux: security update to 6.12.20-1

high Tenable Cloud Security Plugin ID 455217

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: ksmbd: fix use-after-free in
 ksmbd_free_work_struct ->interim_entry of ksmbd_work could be deleted after oplock is freed. We don't need
 to manage it with linked list. The interim request could be immediately sent whenever a oplock break wait
 is needed. (CVE-2025-21967)

Solution

Update the linux library and its related packages to version 6.12.20-1 or later.

See Also

https://advisory.echohq.com/cve/CVE-2025-21967

Plugin Details

Severity: High

ID: 455217

Version: Revision 1.1

Type: Local

Published: 10/1/2026

Updated: 10/1/2026

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.82

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-2025-21967

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: 9/15/2025

Vulnerability Publication Date: 4/1/2025

Reference Information

CVE: CVE-2025-21967