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MiracleLinux 8 : microcode_ctl-20210216-1.20210608.1.el8 (AXSA:2021-2304:10)

high Nessus Plugin ID 294532

Synopsis

The remote MiracleLinux host is missing one or more security updates.

Description

The remote MiracleLinux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the AXSA:2021-2304:10 advisory.

 * hw: Special Register Buffer Data Sampling (SRBDS) (CVE-2020-0543)
 * hw: Vector Register Data Sampling (CVE-2020-0548)
 * hw: L1D Cache Eviction Sampling (CVE-2020-0549)
 * hw: vt-d related privilege escalation (CVE-2020-24489)
 * hw: improper isolation of shared resources in some Intel Processors (CVE-2020-24511)
 * hw: observable timing discrepancy in some Intel Processors (CVE-2020-24512)
 * hw: Information disclosure issue in Intel SGX via RAPL interface (CVE-2020-8695)
 * hw: Vector Register Leakage-Active (CVE-2020-8696)
 * hw: Fast forward store predictor (CVE-2020-8698) CVE-2020-0543 Incomplete cleanup from specific special register read operations in some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.
 CVE-2020-0548 Cleanup errors in some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.
 CVE-2020-0549 Cleanup errors in some data cache evictions for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.
 CVE-2020-24489 Incomplete cleanup in some Intel(R) VT-d products may allow an authenticated user to potentially enable escalation of privilege via local access.
 CVE-2020-24511 Improper isolation of shared resources in some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.
 CVE-2020-24512 Observable timing discrepancy in some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.
 CVE-2020-8695 Observable discrepancy in the RAPL interface for some Intel(R) Processors may allow a privileged user to potentially enable information disclosure via local access.
 CVE-2020-8696 Improper removal of sensitive information before storage or transfer in some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.
 CVE-2020-8698 Improper isolation of shared resources in some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.

Tenable has extracted the preceding description block directly from the MiracleLinux 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://tsn.miraclelinux.com/en/node/13486

Plugin Details

Severity: High

ID: 294532

File Name: miracle_linux_AXSA-2021-2304.nasl

Version: 1.1

Type: local

Published: 1/20/2026

Updated: 1/20/2026

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.5

Vendor

Vendor Severity: High

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: cpe:/o:miracle:linux:8, p-cpe:/a:miracle:linux:microcode_ctl

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

Exploit Ease: No known exploits are available

Patch Publication Date: 8/10/2021

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