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microcode_ctl - CPU microcode updates for Intel x86 processors
- Description:
This package provides microcode update files for Intel x86 and x86_64 CPUs.
The microcode update is volatile and needs to be uploaded on each system
boot i.e. it isn't stored on a CPU permanently; reboot and it reverts
back to the old microcode.
Package name "microcode_ctl" is historical, as the binary with the same name
is no longer used for microcode upload and, as a result, no longer provided.
Packages
| microcode_ctl-20260812-1.el8_10.x86_64
[17.4 MiB] |
Changelog
by Denys Vlasenko (2026-08-14):
- Update Intel CPU microcode to microcode-20260812 release (RHEL-240770)
- Security advisories:
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01379.html
CVE-2025-31936
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01404.html
CVE-2025-31938
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01423.html
CVE-2026-20917
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01428.html
CVE-2025-35973
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01435.html
CVE-2026-20716
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01441.html
CVE-2026-20760
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01442.html
CVE-2026-20713, CVE-2026-20901
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01443.html
CVE-2026-20707
- New microcode files (in hex):
06-b7-04: Raptor Lake: revision 0137
06-d5-01: Wildcat Lake: revision 000c
06-d7-00: Bartlett Lake: revision 0137
- Microcode files (/platform_mask shown) with revision updates (in hex):
06-6a-06/87: Ice Lake-X: d000421 to d000433
06-6c-01/10: Ice Lake-D: 10002f1 to 1000301
06-7e-05/80: Ice Lake-L: 00cc to 00ce
06-8f-07/87: Sapphire Rapids: 2b000670 to 2b000685
06-8f-08/10: Sapphire Rapids with HBM: 2c000421 to 2c000435
06-8f-08/87: Sapphire Rapids: 2b000670 to 2b000685
06-a7-01/02: Rocket Lake: 0065 to 0066
06-ad-01/20: Granite Rapids-X: a000142 to a000151
06-ad-01/95: Granite Rapids-X: 1000423 to 1000434
06-ae-01/97: Granite Rapids-D: 1000307 to 1000309
06-af-03/01: Crestmont (Sierra Forest): 30003a3 to 30003b2
06-b5-00/80: Arrow Lake-U: 000d to 000e
06-b7-01/36: Raptor Lake: 0133 to 0137, platform bit 04 added
06-bd-01/80: Lunar Lake: 0126 to 0128
06-c5-02/82: Arrow Lake-H: 0121 to 0122
06-c6-02/82: Arrow Lake: 0121 to 0122
06-cc-02/94: Panther Lake: 011b to 011c, platform bit 04 added, also used for 06-e5-02
06-cc-03/94: Panther Lake: 011b to 011c, platform bit 04 added, also used for 06-e5-02
06-cf-02/87: Emerald Rapids: 210002e0 to 210002f4
Resolves: RHEL-240770
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