[El-errata] ELBA-2026-1351 Oracle Linux 9 microcode_ctl bug fix and enhancement update

[Errata Announcements for Oracle Linux]

Oracle Linux Bug Fix Advisory ELBA-2026-1351

http://linux.oracle.com/errata/ELBA-2026-1351.html

The following updated rpms for Oracle Linux 9 have been uploaded to the Unbreakable Linux Network:

x86_64:
microcode_ctl-20250812-1.20251111.1.0.1.el9_7.noarch.rpm



SRPMS:
http://oss.oracle.com/ol9/SRPMS-updates/microcode_ctl-20250812-1.20251111.1.0.1.el9_7.src.rpm



Description of changes:

[20250812-1.20251111.1.0.1]
- add support for UEK7/UEK8 and ueknext kernels
- don't bother calling dracut if virtualized [Orabug: 35710094]
- ensure UEK also rebuilds initramfs [Orabug: 34280058]
- 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

[4:20250812-1.20251111-1]
- Fix typo in /usr/share/microcode_ctl/ucode_with_caveats/intel-06-8f-08/config
- Update Intel CPU microcode to microcode-20251111 release (RHEL-128260)
- New microcode files (in hex):
  06-ae-01: Granite Rapids-D: revision 1000273
- Microcode files (/platform_mask shown) with revision updates (in hex):
  06-8f-07/87: Sapphire Rapids: 2b000643 to 2b000650
  06-8f-08/10: Sapphire Rapids with HBM: 2c000401 to 2c000410
  06-8f-08/87: Sapphire Rapids: 2b000643 to 2b000650
  06-97-02/07: Alder Lake: 003a to 003d
  06-97-05/07: Alder Lake: 003a to 003d
  06-9a-03/80: Alder Lake-L: 0437 to 043a
  06-9a-04/80: Alder Lake-L: 0437 to 043a
  06-9a-04/40: Arizona Beach (Atom C11xx): 000a to 000b
  06-ad-01/95: Granite Rapids-X: 10003d0 to 10003f0
  06-ad-01/20: Granite Rapids-X: a000100 to a000124
  06-af-03/01: Crestmont (Sierra Forest): 3000362 to 3000382
  06-b7-01/32: Raptor Lake: 012f to 0132
  06-ba-02/e0: Raptor Lake-P: 4129 to 6133
  06-ba-03/e0: Raptor Lake-P: 4129 to 6133
  06-bd-01/80: Lunar Lake: 0123 to 0125
  06-be-00/19: Gracemont (Alder Lake-N): 001d to 001e
  06-bf-02/07: Raptor Lake-S: 003a to 003d
  06-bf-05/07: Raptor Lake-S: 003a to 003d
  06-c5-02/82: Arrow Lake-H: 0119 to 011a
  06-c6-02/82: Arrow Lake: 0119 to 011a
  06-cf-02/87: Emerald Rapids: 210002b3 to 210002c0
- Fixes errata RPL070/ADL083/LNL047/ARL054/SPR154/EMR147:
  "REP SCASB, REP CMPSB may return incorrect results when racing
  memory access with another core or thread" on Raptor Lake,
  Alder Lake, Lunar Lake, Arrow Lake, Sapphire Rapids, Emerald Rapids.