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RockyLinux 9 : microcode_ctl (RLSA-2025:7043)

medium Nessus Plugin ID 266487

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Synopsis

The remote RockyLinux host is missing one or more security updates.

Description

The remote RockyLinux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the RLSA-2025:7043 advisory.

 * microcode_ctl: Improper input validation in UEFI firmware (CVE-2024-28047)

 * microcode_ctl: Insufficient granularity of access control in UEFI firmware (CVE-2024-39279)

 * microcode_ctl: mproper initialization in UEFI firmware OutOfBandXML module (CVE-2024-31157)

Tenable has extracted the preceding description block directly from the RockyLinux 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.

See Also

https://errata.rockylinux.org/RLSA-2025:7043

https://bugzilla.redhat.com/show_bug.cgi?id=2345363

https://bugzilla.redhat.com/show_bug.cgi?id=2345381

https://bugzilla.redhat.com/show_bug.cgi?id=2345421

Plugin Details

Severity: Medium

ID: 266487

File Name: rocky_linux_RLSA-2025-7043.nasl

Version: 1.1

Type: local

Published: 10/4/2025

Updated: 10/4/2025

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Low

Base Score: 3.7

Temporal Score: 2.7

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

CVSS Score Source: CVE-2024-31157

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.6

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

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

CVSS v4

Risk Factor: Medium

Base Score: 6.8

Threat Score: 3.3

Threat Vector: CVSS:4.0/E:U

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

CVSS Score Source: CVE-2024-39279

Vulnerability Information

CPE: p-cpe:/a:rocky:linux:microcode_ctl, cpe:/o:rocky:linux:9

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/RockyLinux/release, Host/RockyLinux/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 10/4/2025

Vulnerability Publication Date: 2/12/2025

Reference Information

CVE: CVE-2024-28047, CVE-2024-31157, CVE-2024-39279