ELBA-2026-39314

ELBA-2026-39314 - microcode_ctl bug fix and enhancement update

Type:	BUG
Impact:	NA
Release Date:	2026-08-11

Description

[20260210-1.20260512.1.0.1]
- 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

[4:20260210-20260512.1]
- Switch to zstream versioning scheme

[4:20260512-1]
- Update Intel CPU microcode to microcode-20260512 release (RHEL-176248)
- 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: 10002f3 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-176248

Updated Packages

Release/Architecture	Filename	sha256	Superseded By Advisory	Channel Label
Oracle Linux 9 (aarch64)	microcode_ctl-20260210-1.20260512.1.0.1.el9_8.src.rpm	690a59f2183a411db79e7f33fc54342cec4b856ba0ee0a2d158150ad5a1fb8e8	-	ol9_aarch64_baseos_latest
	microcode_ctl-20260210-1.20260512.1.0.1.el9_8.src.rpm	690a59f2183a411db79e7f33fc54342cec4b856ba0ee0a2d158150ad5a1fb8e8	-	ol9_aarch64_u8_baseos_patch
Oracle Linux 9 (x86_64)	microcode_ctl-20260210-1.20260512.1.0.1.el9_8.src.rpm	690a59f2183a411db79e7f33fc54342cec4b856ba0ee0a2d158150ad5a1fb8e8	-	ol9_x86_64_baseos_latest
	microcode_ctl-20260210-1.20260512.1.0.1.el9_8.src.rpm	690a59f2183a411db79e7f33fc54342cec4b856ba0ee0a2d158150ad5a1fb8e8	-	ol9_x86_64_u8_baseos_patch
	microcode_ctl-20260210-1.20260512.1.0.1.el9_8.noarch.rpm	4092d72ef8059db0909bd0025bd7a87cfe74cea4f9f489f6fd070672d5de630b	-	ol9_x86_64_baseos_latest
	microcode_ctl-20260210-1.20260512.1.0.1.el9_8.noarch.rpm	4092d72ef8059db0909bd0025bd7a87cfe74cea4f9f489f6fd070672d5de630b	-	ol9_x86_64_u8_baseos_patch

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