microcode_ctl: [4:20260812-1.0.3] - disable late update for 06-ad-01 - add support for UEK7/UEK8 and ueknext kernels - don't bother...
CVE-2026-20898 is fixed in microcode_ctl on 1 platform, first by ELSA-2026-500239, released September 16, 2026. It is not reported as exploited. Patch Radar priority: High.
[4:20260812-1.0.3] - disable late update for 06-ad-01 - add support for UEK7/UEK8 and ueknext 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 [4:20260812-1] - 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
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| microcode_ctl · ol 10 | 4:20260812-1.0.2.el9_8 | ELSA-2026-500239 | Sep 16, 2026 |
| microcode_ctl · ol 8 | 4:20260812-1.0.2.el9_8 | ELSA-2026-500239 | Sep 16, 2026 |
| microcode_ctl · ol 9 | 4:20260812-1.0.2.el9_8 | ELSA-2026-500239 | Sep 16, 2026 |
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