RHEA-2018:2398 - Product Enhancement Advisory

Topic

Updated microcode_ctl packages that add one enhancement are now available for Red Hat Enterprise Linux 7.4 Extended Update Support.

Description

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

This update adds the following enhancement:

• The Intel CPU microcode has been updated to the latest upstream version to mitigate CVE-2017-5715, known as the Spectre variant 2 vulnerability,

CVE-2018-3639, known as the Speculative Store Bypass vulnerability, and
CVE-2018-3620 and CVE-2018-3646, known as L1 Terminal Fault Attack
vulnerability. (BZ#1614846)

Users of microcode_ctl are advised to upgrade to these updated packages, which add this enhancement. Note: a microcode_ctl service restart is necessary for this update to take effect.

Solution

Before applying this update, make sure all previously released errata
relevant to your system have been applied.

For details on how to apply this update, refer to:

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

Affected Products

• Red Hat Enterprise Linux for x86_64 - Extended Update Support 7.4 x86_64
• Red Hat Enterprise Linux Server - AUS 7.4 x86_64
• Red Hat Enterprise Linux Server - TUS 7.4 x86_64
• Red Hat Enterprise Linux EUS Compute Node 7.4 x86_64
• Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 7.4 x86_64

Fixes

• BZ - 1614846 - [RHEL-7] Update microcode to 20180807 [rhel-7.4.z]

CVEs

(none)

References

(none)