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Echo: linux: security update to 6.12.27-1

high Tenable Self-Hosted Container Security Plugin ID 463068

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
 __smb2_lease_break_noti() Move tcp_transport free to ksmbd_conn_free. If ksmbd connection is referenced
 when ksmbd server thread terminates, It will not be freed, but conn->tcp_transport is freed.
 __smb2_lease_break_noti can be performed asynchronously when the connection is disconnected.
 __smb2_lease_break_noti calls ksmbd_conn_write, which can cause use-after-free when conn->ksmbd_transport
 is already freed. (CVE-2025-37777)

Solution

Update the linux library and its related packages to version 6.12.27-1 or later.

See Also

https://advisory.echohq.com/cve/CVE-2025-37777

Plugin Details

Severity: High

ID: 463068

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.75

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-2025-37777

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: 5/1/2025

Reference Information

CVE: CVE-2025-37777