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Amazon Linux 2 : linux-firmware (ALAS-2023-2190)

critical Nessus Plugin ID 179752

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Synopsis

The remote Amazon Linux 2 host is missing a security update.

Description

The version of linux-firmware installed on the remote host is prior to 20200421-81.git78c0348. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2023-2190 advisory.

 An issue in Zen 2 CPUs, under specific microarchitectural circumstances, may allow an attacker to potentially access sensitive information. (CVE-2023-20593)

Tenable has extracted the preceding description block directly from the tested product 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

Run 'yum update linux-firmware' to update your system.

See Also

https://alas.aws.amazon.com/AL2/ALAS-2023-2190.html

https://alas.aws.amazon.com/cve/html/CVE-2023-20593.html

https://alas.aws.amazon.com/faqs.html

Plugin Details

Severity: Critical

ID: 179752

File Name: al2_ALAS-2023-2190.nasl

Version: 1.2

Type: local

Agent: unix

Published: 8/14/2023

Updated: 12/11/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.6

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

CVSS Score Source: CVE-2023-20593

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 5

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

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

CVSS v4

Risk Factor: Critical

Base Score: 9.3

Threat Score: 8.5

Threat Vector: CVSS:4.0/E:P

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

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:iwl100-firmware, p-cpe:/a:amazon:linux:iwl7260-firmware, p-cpe:/a:amazon:linux:linux-firmware, p-cpe:/a:amazon:linux:iwl2030-firmware, p-cpe:/a:amazon:linux:iwl6000g2b-firmware, p-cpe:/a:amazon:linux:iwl3945-firmware, p-cpe:/a:amazon:linux:iwl4965-firmware, p-cpe:/a:amazon:linux:iwl1000-firmware, p-cpe:/a:amazon:linux:iwl135-firmware, p-cpe:/a:amazon:linux:iwl2000-firmware, p-cpe:/a:amazon:linux:iwl3160-firmware, p-cpe:/a:amazon:linux:iwl5150-firmware, cpe:/o:amazon:linux:2, p-cpe:/a:amazon:linux:iwl6000g2a-firmware, p-cpe:/a:amazon:linux:iwl6050-firmware, p-cpe:/a:amazon:linux:iwl5000-firmware, p-cpe:/a:amazon:linux:iwl6000-firmware, p-cpe:/a:amazon:linux:iwl105-firmware

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 8/3/2023

Vulnerability Publication Date: 7/24/2023

Reference Information

CVE: CVE-2023-20593