RHEL 9 : microcode_ctl (RHSA-2024:9401)

medium Nessus Plugin ID 210782

Synopsis

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

Description

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2024:9401 advisory.

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

Security Fix(es):

* kernel: local privilege escalation on Intel microcode on Intel(R) Xeon(R) (CVE-2023-22655)

* kernel: Local information disclosure on Intel(R) Atom(R) processors (CVE-2023-28746)

* kernel: Local information disclosure in some Intel(R) processors (CVE-2023-38575)

* kernel: Possible Denial of Service on Intel(R) Processors (CVE-2023-39368)

* kernel: Local information disclosure on Intel(R) Xeon(R) D processors with Intel(R) SGX due to incorrect calculation in microcode (CVE-2023-43490)

* intel-microcode: Race conditions in some Intel(R) Processors (CVE-2023-45733)

* intel-microcode: Unexpected behavior in Intel(R) Core(TM) Ultra Processors (CVE-2023-46103)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the Red Hat Enterprise Linux 9.5 Release Notes linked from the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux 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 RHEL microcode_ctl package based on the guidance in RHSA-2024:9401.

See Also

http://www.nessus.org/u?bb08292d

https://access.redhat.com/security/updates/classification/#moderate

https://bugzilla.redhat.com/show_bug.cgi?id=2270698

https://bugzilla.redhat.com/show_bug.cgi?id=2270700

https://bugzilla.redhat.com/show_bug.cgi?id=2270701

https://bugzilla.redhat.com/show_bug.cgi?id=2270703

https://bugzilla.redhat.com/show_bug.cgi?id=2270704

https://bugzilla.redhat.com/show_bug.cgi?id=2292296

https://bugzilla.redhat.com/show_bug.cgi?id=2292300

http://www.nessus.org/u?9c7c396d

https://access.redhat.com/errata/RHSA-2024:9401

Plugin Details

Severity: Medium

ID: 210782

File Name: redhat-RHSA-2024-9401.nasl

Version: 1.1

Type: local

Agent: unix

Published: 11/12/2024

Updated: 11/12/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.1

Vendor

Vendor Severity: Moderate

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.4

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

CVSS Score Source: CVE-2023-38575

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

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

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

CVSS Score Source: CVE-2023-28746

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:microcode_ctl, cpe:/o:redhat:enterprise_linux:9

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

Exploit Ease: No known exploits are available

Patch Publication Date: 11/12/2024

Vulnerability Publication Date: 3/12/2024

Reference Information

CVE: CVE-2023-22655, CVE-2023-28746, CVE-2023-38575, CVE-2023-39368, CVE-2023-43490, CVE-2023-45733, CVE-2023-46103

CWE: 1303, 1342, 200, 400, 682, 693

RHSA: 2024:9401