QID 239598

Date Published: 2021-09-02

QID 239598: Red Hat Update for microcode_ctl (RHSA-2021:3364)

The microcode_ctl packages provide microcode updates for Intel.

Security Fix(es): hw: Vector Register Data Sampling (CVE-2020-0548) hw: L1D Cache Eviction Sampling (CVE-2020-0549) hw: Special Register Buffer Data Sampling (SRBDS)
(CVE-2020-0543) 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) 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)

Affected Products:

Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.2 x86_64
Red Hat Enterprise Linux Server - AUS 8.2 x86_64
Red Hat Enterprise Linux Server - TUS 8.2 x86_64
Red Hat Enterprise Linux Server - Update Services for SAP Solutions 8.2 x86_64

Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

On successful exploitation, it could allow an attacker to execute code.

  • CVSS V3 rated as Critical - 8.8 severity.
  • CVSS V2 rated as Medium - 4.6 severity.
    • Solution
    Upgrade to the latest packages which contain a patch. Refer to Applying Package Updates to RHEL system for details.

    Refer to Red Hat security advisory RHSA-2021:3364 to address this issue and obtain more information.

    Vendor References

    CVEs related to QID 239598

    CVE-2020-0543 | CVE-2020-0548 | CVE-2020-0549 | CVE-2020-8695 | CVE-2020-8696 | CVE-2020-8698 | CVE-2020-24489 | CVE-2020-24511 | CVE-2020-24512 |
    Software Advisories
    Advisory ID Software Component Link
    RHSA-2021:3364 Red Hat Enterprise Linux URL Logo access.redhat.com/errata/RHSA-2021:3364?language=en
    By selecting these links, you may be leaving CVEreport webspace. We have provided these links to other websites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other websites that are more appropriate for your purpose. CVEreport does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, CVEreport does not endorse any commercial products that may be mentioned on these sites. Please address comments about any linked pages to [email protected].
    © CVE.report 2026 |

    Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

    CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

    Free CVE JSON API cve.report/api

    CVE.report and Source URL Uptime Status status.cve.report