RHEA-2024:8159 - Product Enhancement Advisory

Topic

An update for microcode_ctl is now available for Red Hat Enterprise Linux 8.

Description

The microcode_ctl packages provide microcode updates for Intel and AMD processors.

Bug Fix(es) and Enhancement(s):

• microcode_ctl: kernel: local privilege escalation on Intel microcode on Intel(R) Xeon(R) [rhel-8.10.0] (JIRA:RHEL-30859)
• microcode_ctl: kernel: Local information disclosure on Intel(R) Atom(R) processors [rhel-8.10.0] (JIRA:RHEL-30862)
• microcode_ctl: kernel: Local information disclosure in some Intel(R) processors [rhel-8.10.0] (JIRA:RHEL-30865)
• microcode_ctl: kernel: Local information disclosure on Intel(R) Xeon(R) D processors with Intel(R) SGX due to incorrect calculation in microcode [rhel-8.10.0] (JIRA:RHEL-30868)
• microcode_ctl: kernel: Possible Denial of Service on Intel(R) Processors [rhel-8.10.0] (JIRA:RHEL-30871)
• microcode_ctl: intel-microcode: Race conditions in some Intel(R) Processors [rhel-8] (JIRA:RHEL-41093)
• microcode_ctl: intel-microcode: Unexpected behavior in Intel(R) Core(TM) Ultra Processors [rhel-8.10.z] (JIRA:RHEL-41108)

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Affected Products

• Red Hat Enterprise Linux for x86_64 8 x86_64

Fixes

CVEs

(none)

References

(none)