RHSA-2021:2301: Important: microcode_ctl security, bug fix and enhancement update
The microcodectl packages provide microcode updates for Intel.Security Fix(es): 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) hw: information disclosure on some Intel Atom processors (CVE-2020-24513) Bug Fix(es) and Enhancement(s): Update Intel CPU microcode to microcode-20210525 release
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of RHSA-2021:2301?
The severity of RHSA-2021:2301 is critical due to multiple high-impact vulnerabilities affecting Intel microcode.
How do I fix RHSA-2021:2301?
To fix RHSA-2021:2301, update the microcode_ctl package to the latest version as recommended by your system administrator.
What vulnerabilities are addressed in RHSA-2021:2301?
RHSA-2021:2301 addresses vulnerabilities including CVE-2020-24489 and CVE-2020-24511, which can lead to privilege escalation and improper isolation.
Which Intel processors are affected by RHSA-2021:2301?
RHSA-2021:2301 affects certain Intel processors that are susceptible to vulnerabilities related to virtualization and resource sharing.
What is the impact of not addressing RHSA-2021:2301?
Failing to address RHSA-2021:2301 could lead to severe security risks such as privilege escalation and unauthorized access to sensitive resources.