A microcode_ctl bug fix update has been released for Oracle Linux 6.

El-errata: ELBA-2020-5729 Oracle Linux 6 microcode_ctl bug fix update

Oracle Linux Bug Fix Advisory ELBA-2020-5729

  http://linux.oracle.com/errata/ELBA-2020-5729.html

The following updated rpms for Oracle Linux 6 have been uploaded to the
Unbreakable Linux Network:

i386:
microcode_ctl-1.17-33.19.0.5.el6_10.i686.rpm

x86_64:
microcode_ctl-1.17-33.19.0.5.el6_10.x86_64.rpm

SRPMS:
  http://oss.oracle.com/ol6/SRPMS-updates/microcode_ctl-1.17-33.19.0.5.el6_10.src.rpm


Description of changes:

[3:1.17-33.19.0.5]
- update 06-2d-07 to 0x71a
- update 06-55-04 to 0x2006906
- update 06-55-07 to 0x5002f01

[3:1.17-33.19.0.4]
- set early_microcode="no" in virtualized guests to avoid early load
bugs [Orabug: 30618737]

[3:1.17-33.19.0.1]
- merge Oracle changes for early load via dracut
- enable late load on install for UEK4 kernels marked safe (except BDW-79)
- update 06-55-04 to 0x2000065
- update 06-55-07 to 0x500002c