RHEL 7 : linux-firmware (RHSA-2024:0979)

medium Nessus Plugin ID 191026

Synopsis

The remote Red Hat host is missing a security update for linux-firmware.

Description

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2024:0979 advisory.

The linux-firmware packages contain all of the firmware files that are required by various devices to operate.

Security Fix(es):

* hw: amd: INVD instruction may lead to a loss of SEV-ES guest machine memory integrity problem (CVE-2023-20592)

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.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

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

Solution

Update the RHEL linux-firmware package based on the guidance in RHSA-2024:0979.

See Also

http://www.nessus.org/u?79fbfc38

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

https://bugzilla.redhat.com/show_bug.cgi?id=2244590

https://access.redhat.com/errata/RHSA-2024:0979

Plugin Details

Severity: Medium

ID: 191026

File Name: redhat-RHSA-2024-0979.nasl

Version: 1.3

Type: local

Agent: unix

Published: 2/27/2024

Updated: 11/7/2024

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

Vendor

Vendor Severity: Moderate

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2023-20592

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

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

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

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:iwl7265-firmware, cpe:/o:redhat:rhel_aus:7.7, p-cpe:/a:redhat:enterprise_linux:iwl6050-firmware, p-cpe:/a:redhat:enterprise_linux:iwl5150-firmware, p-cpe:/a:redhat:enterprise_linux:iwl100-firmware, p-cpe:/a:redhat:enterprise_linux:iwl2000-firmware, p-cpe:/a:redhat:enterprise_linux:iwl1000-firmware, p-cpe:/a:redhat:enterprise_linux:iwl3945-firmware, p-cpe:/a:redhat:enterprise_linux:iwl6000g2a-firmware, p-cpe:/a:redhat:enterprise_linux:iwl105-firmware, p-cpe:/a:redhat:enterprise_linux:iwl5000-firmware, p-cpe:/a:redhat:enterprise_linux:iwl7260-firmware, p-cpe:/a:redhat:enterprise_linux:linux-firmware, p-cpe:/a:redhat:enterprise_linux:iwl4965-firmware, p-cpe:/a:redhat:enterprise_linux:iwl6000g2b-firmware, p-cpe:/a:redhat:enterprise_linux:iwl3160-firmware, p-cpe:/a:redhat:enterprise_linux:iwl6000-firmware, p-cpe:/a:redhat:enterprise_linux:iwl135-firmware, p-cpe:/a:redhat:enterprise_linux:iwl2030-firmware

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: 2/27/2024

Vulnerability Publication Date: 11/14/2023

Reference Information

CVE: CVE-2023-20592

CWE: 221

RHSA: 2024:0979