RHEA-2019:3845 - 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 x86 processors.

With this update, the Intel microcode version has been updated to microcode-20191112.

Users of microcode_ctl are advised to upgrade to these updated packages, which add this enhancement.

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 8 x86_64
• Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.8 x86_64
• Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.6 x86_64
• Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.4 x86_64
• Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.2 x86_64
• Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.1 x86_64
• Red Hat Enterprise Linux Server - AUS 8.6 x86_64
• Red Hat Enterprise Linux Server - AUS 8.4 x86_64
• Red Hat Enterprise Linux Server - AUS 8.2 x86_64
• Red Hat Enterprise Linux Server - TUS 8.8 x86_64
• Red Hat Enterprise Linux Server - TUS 8.6 x86_64
• Red Hat Enterprise Linux Server - TUS 8.4 x86_64
• Red Hat Enterprise Linux Server - TUS 8.2 x86_64
• Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.8 x86_64
• Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.6 x86_64
• Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.4 x86_64
• Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.2 x86_64
• Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.1 x86_64

Fixes

• BZ - 1753062 - CVE-2019-11135 hw: TSX Transaction Asynchronous Abort (TAA)
• BZ - 1753064 - hw: Target Array Sharing side channel attack
• BZ - 1753065 - hw: VERW information leak - incomplete fix of buffer clearing for previous MDS fixes
• BZ - 1753066 - hw: SHUF instruction implementation flaw
• BZ - 1753068 - hw: Fully integrated voltage regulation error condition handling (FIVR)
• BZ - 1753113 - hw: Conditional Jump Macro-fusion (JCC)
• BZ - 1758414 - CVE-2019-0117 hw: Intel SGX information leak
• BZ - 1760200 - hw: EGETKEY erratum
• BZ - 1765481 - CVE-2019-11139 hw: voltage modulation technical advisory

CVEs

• CVE-2019-0117

References

• https://access.redhat.com/solutions/2019-microcode-nov