Detections
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CentOS 9 : microcode_ctl-20241112-1.el9

high Nessus Plugin ID 213504

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Synopsis

The remote CentOS host is missing one or more security updates for microcode_ctl.

Description

The remote CentOS Linux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the microcode_ctl-20241112-1.el9 build changelog.

 - Improper conditions check in some Intel(R) Xeon(R) processor memory controller configurations when using Intel(R) SGX may allow a privileged user to potentially enable escalation of privilege via local access.
 (CVE-2024-23918)

 - Incorrect default permissions in some Intel(R) Xeon(R) processor memory controller configurations when using Intel(R) SGX may allow a privileged user to potentially enable escalation of privilege via local access. (CVE-2024-21820)

 - Improper finite state machines (FSMs) in the hardware logic in some 4th and 5th Generation Intel(R) Xeon(R) Processors may allow an authorized user to potentially enable denial of service via local access.
 (CVE-2024-21853)

 - Observable discrepancy in RAPL interface for some Intel(R) Processors may allow a privileged user to potentially enable information disclosure via local access. (CVE-2024-23984)

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 CentOS 9 Stream microcode_ctl package.

See Also

https://kojihub.stream.centos.org/koji/buildinfo?buildID=73064

Plugin Details

Severity: High

ID: 213504

File Name: centos9_microcode_ctl-20241112-1_73064.nasl

Version: 1.1

Type: local

Agent: unix

Published: 1/6/2025

Updated: 1/6/2025

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Agentless Assessment, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.5

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-2024-23918

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

Vector: CVSS:3.0/AV:L/AC:L/PR:L/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: 8.8

Threat Score: 5.8

Threat Vector: CVSS:4.0/E:U

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

Vulnerability Information

CPE: p-cpe:/a:centos:centos:microcode_ctl, cpe:/a:centos:centos:9

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

Exploit Ease: No known exploits are available

Patch Publication Date: 1/2/2025

Vulnerability Publication Date: 9/10/2024

Reference Information

CVE: CVE-2024-21820, CVE-2024-21853, CVE-2024-23918, CVE-2024-23984