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Amazon Linux 2023 : microcode_ctl (ALAS2023-2023-287)

medium Nessus Plugin ID 179745

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Synopsis

The remote Amazon Linux 2023 host is missing a security update.

Description

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2023-287 advisory.

 - Information exposure through microarchitectural state after transient execution in certain vector execution units for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access. (CVE-2022-40982)

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

Solution

Run 'dnf update microcode_ctl --releasever 2023.1.20230809' to update your system.

See Also

https://alas.aws.amazon.com/AL2023/ALAS-2023-287.html

https://alas.aws.amazon.com/cve/html/CVE-2022-40982.html

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

Plugin Details

Severity: Medium

ID: 179745

File Name: al2023_ALAS2023-2023-287.nasl

Version: 1.2

Type: local

Agent: unix

Published: 8/14/2023

Updated: 8/16/2023

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.0

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-2022-40982

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.9

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:P/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:microcode_ctl, cpe:/o:amazon:linux:2023

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: 8/3/2023

Reference Information

CVE: CVE-2022-40982