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

El-errata: ELEA-2020-2742 Oracle Linux 6 microcode_ctl bug fix and enhancement update

Oracle Linux Enhancement Advisory ELEA-2020-2742

  http://linux.oracle.com/errata/ELEA-2020-2742.html

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

i386:
microcode_ctl-1.17-33.29.0.1.el6_10.i686.rpm

x86_64:
microcode_ctl-1.17-33.29.0.1.el6_10.x86_64.rpm

SRPMS:
  http://oss.oracle.com/ol6/SRPMS-updates/microcode_ctl-1.17-33.29.0.1.el6_10.src.rpm


Description of changes:

[3:1.17-33.29.0.1]
- merge Oracle changes for early load via dracut
- remove no longer appropriate caveats for 06-2d-07 and 06-55-04
- remove other caveat support to be compatible with early load logic
- enable late load on install for UEK4 kernels marked safe (except BDW-79)
- set early_microcode="no" in virtualized guests to avoid early load
bugs [Orabug: 30618737]

[2:1.17-33.29]
- Update Intel CPU microcode to microcode-20200609 release (#1826590):
- Fixed a typo in the release note file.

[2:1.17-33.28]
- Enable 06-55-04 (SKL-X/W) caveat by default.
- Enable 06-2d-07 (SNB-E/EN/EP) caveat by default (#1846024).

[2:1.17-33.27]
- Do not update 06-4e-03 (SKL-U/Y) and 06-5e-03 (SKL-H/S/Xeon E3 v5) to
revision
0xdc, use 0xd6 by default (#1846134).