Detections
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Amazon Linux 2 : microcode_ctl (ALAS-2022-1800)

medium Nessus Plugin ID 161932

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Synopsis

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

Description

The version of microcode_ctl installed on the remote host is prior to 2.1-47. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2022-1800 advisory.

 - Processor optimization removal or modification of security-critical code for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.
 (CVE-2022-21151)

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 microcode_ctl' to update your system.

See Also

https://alas.aws.amazon.com/AL2/ALAS-2022-1800.html

https://alas.aws.amazon.com/cve/html/CVE-2022-21151.html

Plugin Details

Severity: Medium

ID: 161932

File Name: al2_ALAS-2022-1800.nasl

Version: 1.2

Type: local

Agent: unix

Published: 6/7/2022

Updated: 6/7/2022

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Low

Base Score: 2.1

Temporal Score: 1.6

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

CVSS Score Source: CVE-2022-21151

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.8

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:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:microcode_ctl, cpe:/o:amazon:linux:2, p-cpe:/a:amazon:linux:microcode_ctl-debuginfo

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

Exploit Ease: No known exploits are available

Patch Publication Date: 5/31/2022

Vulnerability Publication Date: 5/12/2022

Reference Information

CVE: CVE-2022-21151