RHSA-2021:2304: Important: microcode_ctl security, bug fix and enhancement update
The microcodectl 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 Software
Remediation
Event History
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.