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

medium 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)

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: Medium

ID: 179752

File Name: al2_ALAS-2023-2190.nasl

Version: 1.1

Type: local

Agent: unix

Published: 8/14/2023

Updated: 8/15/2023

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

Vulnerability Information

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

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