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Echo: linux: security update to 6.1.133-1

medium Tenable Self-Hosted Container Security Plugin ID 462837

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: cifs: Fix integer overflow while
 processing acdirmax mount option User-provided mount parameter acdirmax of type u32 is intended to have an
 upper limit, but before it is validated, the value is converted from seconds to jiffies which can lead to
 an integer overflow. Found by Linux Verification Center (linuxtesting.org) with SVACE. (CVE-2025-21963)

Solution

Update the linux library and its related packages to version 6.1.133-1 or later.

See Also

https://advisory.echohq.com/cve/CVE-2025-21963

Plugin Details

Severity: Medium

ID: 462837

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.18

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-2025-21963

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: 1/28/2026

Vulnerability Publication Date: 4/1/2025

Reference Information

CVE: CVE-2025-21963