Echo: linux: security update to 6.1.162-1

medium Tenable Cloud Security Plugin ID 463524

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: blk-cgroup: Reinit blkg_iostat_set
after clearing in blkcg_reset_stats() When blkg_alloc() is called to allocate a blkcg_gq structure with
the associated blkg_iostat_set's, there are 2 fields within blkg_iostat_set that requires proper
initialization - blkg & sync. The former field was introduced by commit 3b8cc6298724 ("blk-cgroup:
Optimize blkcg_rstat_flush()") while the later one was introduced by commit f73316482977 ("blk-cgroup:
reimplement basic IO stats using cgroup rstat"). Unfortunately those fields in the blkg_iostat_set's are
not properly re-initialized when they are cleared in v1's blkcg_reset_stats(). This can lead to a kernel
panic due to NULL pointer access of the blkg pointer. The missing initialization of sync is less
problematic and can be a problem in a debug kernel due to missing lockdep initialization. Fix these
problems by re-initializing them after memory clearing. (CVE-2023-53421)

Solution

Update the linux library and its related packages to version 6.1.162-1 or later.

Plugin Details

Severity: Medium

ID: 463524

Version: Revision 1.1

Type: Local

Family: Echo Local Security Checks

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.15

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-2023-53421

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: 10/22/2025

Vulnerability Publication Date: 9/18/2025

Reference Information

CVE: CVE-2023-53421

Detections

Analytics