- Vulnerability/
- RHSA-2021:2302
RHSA-2021:2302: 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 Software | Affected Version | How to fix |
|---|---|---|
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi?id=1962650
- https://bugzilla.redhat.com/show_bug.cgi?id=1962666
- https://bugzilla.redhat.com/show_bug.cgi?id=1962702
- https://bugzilla.redhat.com/show_bug.cgi?id=1962722
- https://access.redhat.com/security/updates/classification/#important
- https://access.redhat.com/errata/RHSA-2021:2302 (Advisory)
Frequently Asked Questions
What is the severity of RHSA-2021:2302?
The severity of RHSA-2021:2302 is classified as important.
How do I fix RHSA-2021:2302?
To fix RHSA-2021:2302, update the microcode_ctl package to the latest version provided by your distribution.
What vulnerabilities are addressed in RHSA-2021:2302?
RHSA-2021:2302 addresses CVE-2020-24489 and CVE-2020-24511, which involve privilege escalation and improper isolation of shared resources in Intel processors.
Which Intel processors are affected by RHSA-2021:2302?
RHSA-2021:2302 affects several Intel processors that are susceptible to the identified vulnerabilities.
What is the impact of not addressing RHSA-2021:2302?
Failing to address RHSA-2021:2302 may leave systems vulnerable to privilege escalation attacks and resource isolation issues.
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