Advisory Published
Advisory Published

RHSA-2021:2304: Important: microcode_ctl security, bug fix and enhancement update

First published: Tue Jun 08 2021(Updated: )

The microcode_ctl packages provide microcode updates for Intel.<br>Security Fix(es):<br><li> hw: vt-d related privilege escalation (CVE-2020-24489)</li> <li> hw: improper isolation of shared resources in some Intel Processors (CVE-2020-24511)</li> <li> hw: observable timing discrepancy in some Intel Processors (CVE-2020-24512)</li> <li> hw: information disclosure on some Intel Atom processors (CVE-2020-24513)</li> Bug Fix(es) and Enhancement(s):<br><li> Update Intel CPU microcode to microcode-20210525 release</li>

Affected SoftwareAffected VersionHow to fix

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Frequently Asked Questions

  • What is the severity of RHSA-2021:2304?

    The severity of RHSA-2021:2304 is classified as critical due to multiple vulnerabilities affecting Intel microcode.

  • How do I fix RHSA-2021:2304?

    To fix RHSA-2021:2304, it is recommended to update the microcode_ctl packages to the latest version provided by your vendor.

  • What vulnerabilities are addressed in RHSA-2021:2304?

    RHSA-2021:2304 addresses privilege escalation (CVE-2020-24489) and improper isolation of shared resources (CVE-2020-24511) in Intel processors.

  • Is RHSA-2021:2304 applicable to all Intel processors?

    No, RHSA-2021:2304 specifically affects certain Intel processors that are susceptible to the identified vulnerabilities.

  • How can I determine if my system is affected by RHSA-2021:2304?

    To determine if your system is affected by RHSA-2021:2304, review the list of affected Intel processors and check your installed microcode version.

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