A microcode_ctl bug fix and enhancement update has been released for Oracle Linux 7.

El-errata: ELBA-2021-0623 Oracle Linux 7 microcode_ctl bug fix and enhancement update

Oracle Linux Bug Fix Advisory ELBA-2021-0623

  http://linux.oracle.com/errata/ELBA-2021-0623.html

The following updated rpms for Oracle Linux 7 have been uploaded to the
Unbreakable Linux Network:

x86_64:
microcode_ctl-2.1-73.8.0.1.el7_9.x86_64.rpm

SRPMS:
  http://oss.oracle.com/ol7/SRPMS-updates/microcode_ctl-2.1-73.8.0.1.el7_9.src.rpm


Description of changes:

[2:2.1-73.8.0.1]
- for Intel, do not trigger load if on-disk microcode is not an update
[Orabug: 30634727]
- set early_microcode="no" in virtualized guests to avoid early load
bugs [Orabug: 30618736]
- ensure late loading fixes are present on 4.1.12-* and 4.14.35-*
- enable early and late load for 5.4.17-*
- enable early loading for 06-4f-01 caveat
- remove no longer appropriate caveats for 06-2d-07 and 06-55-04

[2:2.1-73.8]
- Update Intel CPU microcode to microcode-20210216 release (#1905111):
- Update of 06-55-04/0xb7 (SKX-D/SP/W/X H0/M0/M1/U0) microcode (in
intel-06-55-04/intel-ucode/06-55-04) from revision 0x2006a08 up
to 0x2006a0a;
- Update of 06-55-06/0xbf (CLX-SP B0) microcode from revision 0x4003003
up to 0x4003006;
- Update of 06-55-07/0xbf (CLX-SP/W/X B1/L1) microcode from revision
0x5003003 up to 0x5003006.

[2:2.1-73.7]
- Remove 06-55-04/06-55-06/06-55-07 (SKX-SP/CLX-SP) microcode-20201110
caveats.

[2:2.1-73.6]
- Backport check_dmi_val to check_caveats from RHEL 8.

[2:2.1-73.5]
- Do not use "grep -q" in a pipe in check_caveats.
- Add 06-55-04/06-55-06/06-55-07 (SKX-SP/CLX-SP) microcode-20201110 caveats
(#1905111).