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
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