Rocky Linux 9 [CIQ] Security Update: microcode_ctl Multiple Vulnerabilities (crlba-2025_2991)

high Nessus Plugin ID 355501

Synopsis

The Rocky Linux host is missing one or more security updates.

Description

The Rocky Linux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the CIQ crlba-2025_2991 advisory.

The microcode_ctl packages provide microcode updates for Intel and AMD processors.

Bug Fix(es) and Enhancement(s):

* [Rocky Linux 9.5.z] Update Intel CPU microcode to the latest version (JIRA:Rocky Linux-76084)

* microcode_ctl: Improper input validation in UEFI firmware [rhel-9.5.z] (JIRA:Rocky Linux-79223)

* microcode_ctl: Improper input validation in UEFI firmware [rhel-9.5.z] (JIRA:Rocky Linux-79224)

* microcode_ctl: Improper input validation in UEFI firmware CseVariableStorageSmm [rhel-9.5.z] (JIRA:Rocky Linux-79225)

* microcode_ctl: Improper input validation in XmlCli feature for UEFI firmware [rhel-9.5.z] (JIRA:Rocky Linux-79237)

* microcode_ctl: Improper input validation in UEFI firmware [rhel-9.5.z] (JIRA:Rocky Linux-79241)

This advisory is provided by Ctrl IQ, Inc for Rocky Linux systems. For more information about CIQ security practices, visit https://ciq.com/security.

Tenable has extracted the preceding description block directly from the CIQ security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected microcode_ctl package based on the guidance in CIQ advisory crlba-2025_2991.

See Also

https://access.redhat.com/errata/RLBA-2025:2991

https://bugzilla.redhat.com/show_bug.cgi?id=2345365

https://bugzilla.redhat.com/show_bug.cgi?id=2345370

https://bugzilla.redhat.com/show_bug.cgi?id=2345376

https://bugzilla.redhat.com/show_bug.cgi?id=2345401

https://bugzilla.redhat.com/show_bug.cgi?id=2345416

https://errata.build.resf.org/RLBA-2025:2991

http://www.nessus.org/u?62edfa50

http://www.nessus.org/u?c37a4228

Plugin Details

Severity: High

ID: 355501

File Name: ciq_rocky_linux_9_crlba-2025_2991.nasl

Version: 1.1

Type: Local

Published: 10/1/2026

Updated: 10/1/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5

Percentile: 93.18

Vendor

Vendor Severity: Unknown

CVSS v2

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 4.8

Vector: CVSS2#AV:L/AC:L/Au:M/C:C/I:C/A:C

CVSS Score Source: CVE-2023-43758

CVSS v3

Risk Factor: High

Base Score: 8.2

Temporal Score: 7.1

Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS v4

Risk Factor: High

Base Score: 8.7

Threat Score: 5.6

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:L/AC:H/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

CVSS Score Source: CVE-2024-29214

Vulnerability Information

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/RockyLinux/release, Host/RockyLinux/rpm-list, Host/OS/extended-third-party

Exploit Ease: No known exploits are available

Patch Publication Date: 7/29/2025

Vulnerability Publication Date: 2/12/2025

Reference Information

CVE: CVE-2023-34440, CVE-2023-43758, CVE-2024-24582, CVE-2024-28127, CVE-2024-29214