Detections
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Oracle Linux 7 : microcode_ctl (ELSA-2021-3028)

high Nessus Plugin ID 152366

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Synopsis

The remote Oracle Linux host is missing one or more security updates.

Description

The remote Oracle Linux 7 host has a package installed that is affected by multiple vulnerabilities as referenced in the ELSA-2021-3028 advisory.

 [2:2.1-73.11.0.1]
 - for Intel, do not trigger load if on-disk microcode is not an update [Orabug: 30634727]
 - set early_microcode='no' in virtualized guests to avoid early load bugs [Orabug: 30618736]
 - ensure late loading fixes are present on 4.1.12-* and 4.14.35-*
 - enable early and late load for 5.4.17-*
 - enable early loading for 06-4f-01 caveat
 - remove no longer appropriate caveats for 06-2d-07 and 06-55-04

 [2:2.1-73.11]
 - Update Intel CPU microcode to microcode-20210608 release:
 - Fixes in releasenote.md file.

 [2:2.1-73.10]
 - Make intel-06-2d-07, intel-06-4e-03, intel-06-4f-01, intel-06-55-04, intel-06-5e-03, intel-06-8c-01, intel-06-8e-9e-0x-0xca, and intel-06-8e-9e-0x-dell caveats dependent on intel caveat.
 - Enable 06-8c-01 microcode update by default.
 - Enable 06-5e-03 microcode update by default (#1897684).

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

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

Solution

Update the affected microcode_ctl package.

See Also

https://linux.oracle.com/errata/ELSA-2021-3028.html

Plugin Details

Severity: High

ID: 152366

File Name: oraclelinux_ELSA-2021-3028.nasl

Version: 1.3

Type: local

Agent: unix

Published: 8/9/2021

Updated: 10/22/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.5

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.4

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

CVSS Score Source: CVE-2020-24489

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

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

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

Vulnerability Information

CPE: p-cpe:/a:oracle:linux:microcode_ctl, cpe:/o:oracle:linux:7

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

Exploit Ease: No known exploits are available

Patch Publication Date: 8/9/2021

Vulnerability Publication Date: 1/28/2020

Reference Information

CVE: CVE-2020-0543, CVE-2020-0548, CVE-2020-0549, CVE-2020-24489, CVE-2020-24511, CVE-2020-24512, CVE-2020-8695, CVE-2020-8696, CVE-2020-8698