[El-errata] ELEA-2020-5450 Oracle Linux 7 microcode_ctl bug fix and enhancement update

Errata Announcements for Oracle Linux el-errata at oss.oracle.com
Thu Dec 17 01:24:05 PST 2020

Oracle Linux Enhancement Advisory ELEA-2020-5450


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



Description of changes:

- 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

- Update Intel CPU microcode to microcode-20201112 release:
   - Addition of 06-8a-01/0x10 (LKF B2/B3) microcode at revision 0x28;
   - Update of 06-7a-01/0x01 (GLK B0) microcode from revision 0x32 up
     to 0x34;
   - Updated releasenote file.

- Disable 06-8c-01 (TGL-UP3/UP4 B1) microcode update by default.

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