[El-errata] ELBA-2026-47114 Oracle Linux 8 microcode_ctl bug fix and enhancement update

[Errata Announcements for Oracle Linux]

Oracle Linux Bug Fix Advisory ELBA-2026-47114

http://linux.oracle.com/errata/ELBA-2026-47114.html

The following updated rpms for Oracle Linux 8 have been uploaded to the Unbreakable Linux Network:

x86_64:
microcode_ctl-20260512-1.0.1.el8_10.x86_64.rpm



SRPMS:
http://oss.oracle.com/ol8/SRPMS-updates/microcode_ctl-20260512-1.0.1.el8_10.src.rpm



Description of changes:

[4:20260512-1.0.1]
- enable use with ueknext and UEK8 kernels
- don't bother calling dracut if virtualized [Orabug: 35710077]
- ensure UEK also rebuilds initramfs [Orabug: 34280058]
- add support for UEK7 kernels
- enable early update for 06-4f-01
- remove no longer appropriate caveats for 06-2d-07 and 06-55-04
- enable early and late load on RHCK

[4:20260512-1]
- Update Intel CPU microcode to microcode-20260512 release (RHEL-176241)
- New microcode files (in hex):
  06-cc-02: Panther Lake: revision 011b
  06-cc-03: Panther Lake: revision 011b
- Microcode files (/platform_mask shown) with revision updates (in hex):
  06-8f-07/87: Sapphire Rapids: 2b000661 to 2b000670
  06-8f-08/87: Sapphire Rapids: 2b000661 to 2b000670
  06-ad-01/20: Granite Rapids-X: a000133 to a000142
  06-ad-01/95: Granite Rapids-X: 1000405 to 1000423
  06-ae-01/97: Granite Rapids-D: 1000303 to 1000307
  06-af-03/01: Crestmont (Sierra Forest): 3000382 to 30003a3
  06-bd-01/80: Lunar Lake: 0125 to 0126
  06-c5-02/82: Arrow Lake-H: 011b to 0121
  06-c6-02/82: Arrow Lake: 011b to 0121
  06-cf-02/87: Emerald Rapids: 210002d3 to 210002e0
Resolves: RHEL-176241