RHSA-2021:2305: 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-2021:2305?
The severity of RHSA-2021:2305 is classified as important due to the privilege escalation vulnerabilities it addresses.
How do I fix RHSA-2021:2305?
To fix RHSA-2021:2305, update the microcode_ctl package to the latest version provided by your operating system vendor.
What vulnerabilities does RHSA-2021:2305 address?
RHSA-2021:2305 addresses vulnerabilities related to privilege escalation and improper isolation of shared resources in Intel processors.
Is RHSA-2021:2305 applicable to all Intel processors?
RHSA-2021:2305 is applicable only to certain Intel processors that are affected by the identified vulnerabilities.
What should I do if I cannot apply the fix for RHSA-2021:2305?
If you cannot apply the fix for RHSA-2021:2305, consider implementing additional security measures to mitigate the risk of exploitation.