Echo: linux: security update to 6.1.135-1

high Tenable Self-Hosted Container Security Plugin ID 463474

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: md: fix mddev uaf while iterating
all_mddevs list While iterating all_mddevs list from md_notify_reboot() and md_exit(),
list_for_each_entry_safe is used, and this can race with deletint the next mddev, causing UAF: t1:
spin_lock //list_for_each_entry_safe(mddev, n, ...) mddev_get(mddev1) // assume mddev2 is the next entry
spin_unlock t2: //remove mddev2 ... mddev_free spin_lock list_del spin_unlock kfree(mddev2)
mddev_put(mddev1) spin_lock //continue dereference mddev2->all_mddevs The old helper for_each_mddev()
actually grab the reference of mddev2 while holding the lock, to prevent from being freed. This problem
can be fixed the same way, however, the code will be complex. Hence switch to use list_for_each_entry, in
this case mddev_put() can free the mddev1 and it's not safe as well. Refer to md_seq_show(), also factor
out a helper mddev_put_locked() to fix this problem. (CVE-2025-22126)

Solution

Update the linux library and its related packages to version 6.1.135-1 or later.

Plugin Details

Severity: High

ID: 463474

Version: Revision 1.1

Type: Local

Family: Echo Local Security Checks

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.12

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-2025-22126

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: 4/16/2025

Reference Information

CVE: CVE-2025-22126

Detections

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