[El-errata] ELBA-2026-0495 Oracle Linux 10 microcode_ctl bug fix and enhancement update

Errata Announcements for Oracle Linux el-errata at oss.oracle.com
Thu Jan 22 11:40:03 UTC 2026 

Oracle Linux Bug Fix Advisory ELBA-2026-0495

http://linux.oracle.com/errata/ELBA-2026-0495.html

The following updated rpms for Oracle Linux 10 have been uploaded to the Unbreakable Linux Network:

x86_64:
microcode_ctl-20250812-1.20251111.1.0.1.el10_1.noarch.rpm



SRPMS:
http://oss.oracle.com/ol10/SRPMS-updates/microcode_ctl-20250812-1.20251111.1.0.1.el10_1.src.rpm



Description of changes:

[20250812-1.20251111.1.0.1]
- enable use with ueknext and UEK8 kernels
- don't bother calling dracut if virtualized
- ensure UEK also rebuilds initramfs
- enable early update for 06-4f-01
- 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-128259)
  - Addition of 06-ae-01/0x97 microcode at revision 0x1000273;
  - Update of 06-8f-04/0x87 (SPR-SP E0/S1) microcode (in
    intel-ucode/06-8f-07) from revision 0x2b000643 up to 0x2b000650;
  - Update of 06-8f-05/0x87 (SPR-SP E2) microcode (in
    intel-ucode/06-8f-07) from revision 0x2b000643 up to 0x2b000650;
  - Update of 06-8f-06/0x87 (SPR-SP E3) microcode (in
    intel-ucode/06-8f-07) from revision 0x2b000643 up to 0x2b000650;
  - Update of 06-8f-07/0x87 (SPR-SP E4/S2) microcode from revision
    0x2b000643 up to 0x2b000650;
  - Update of 06-8f-08/0x87 (SPR-SP E5/S3) microcode (in
    intel-ucode/06-8f-07) from revision 0x2b000643 up to 0x2b000650;
  - Update of 06-8f-04/0x10 microcode (in intel-ucode/06-8f-08) from
    revision 0x2c000401 up to 0x2c000410;
  - Update of 06-8f-04/0x87 (SPR-SP E0/S1) microcode (in
    intel-ucode/06-8f-08) from revision 0x2b000643 up to 0x2b000650;
  - Update of 06-8f-05/0x10 (SPR-HBM B1) microcode (in
    intel-ucode/06-8f-08) from revision 0x2c000401 up to 0x2c000410;
  - Update of 06-8f-05/0x87 (SPR-SP E2) microcode (in
    intel-ucode/06-8f-08) from revision 0x2b000643 up to 0x2b000650;
  - Update of 06-8f-06/0x10 microcode (in intel-ucode/06-8f-08) from
    revision 0x2c000401 up to 0x2c000410;
  - Update of 06-8f-06/0x87 (SPR-SP E3) microcode (in
    intel-ucode/06-8f-08) from revision 0x2b000643 up to 0x2b000650;
  - Update of 06-8f-07/0x87 (SPR-SP E4/S2) microcode (in
    intel-ucode/06-8f-08) from revision 0x2b000643 up to 0x2b000650;
  - Update of 06-8f-08/0x10 (SPR-HBM B3) microcode from revision
    0x2c000401 up to 0x2c000410;
  - Update of 06-8f-08/0x87 (SPR-SP E5/S3) microcode from revision
    0x2b000643 up to 0x2b000650;
  - Update of 06-97-02/0x07 (ADL-HX/S 8+8 C0) microcode from revision
    0x3a up to 0x3d;
  - Update of 06-97-05/0x07 (ADL-S 6+0 K0) microcode (in
    intel-ucode/06-97-02) from revision 0x3a up to 0x3d;
  - Update of 06-bf-02/0x07 (ADL C0) microcode (in intel-ucode/06-97-02)
    from revision 0x3a up to 0x3d;
  - Update of 06-bf-05/0x07 (ADL C0) microcode (in intel-ucode/06-97-02)
    from revision 0x3a up to 0x3d;
  - Update of 06-bf-06/0x07 microcode (in intel-ucode/06-97-02) from
    revision 0x3a up to 0x3d;
  - Update of 06-bf-07/0x07 microcode (in intel-ucode/06-97-02) from
    revision 0x3a up to 0x3d;
  - Update of 06-97-02/0x07 (ADL-HX/S 8+8 C0) microcode (in
    intel-ucode/06-97-05) from revision 0x3a up to 0x3d;
  - Update of 06-97-05/0x07 (ADL-S 6+0 K0) microcode from revision 0x3a
    up to 0x3d;
  - Update of 06-bf-02/0x07 (ADL C0) microcode (in intel-ucode/06-97-05)
    from revision 0x3a up to 0x3d;
  - Update of 06-bf-05/0x07 (ADL C0) microcode (in intel-ucode/06-97-05)
    from revision 0x3a up to 0x3d;
  - Update of 06-bf-06/0x07 microcode (in intel-ucode/06-97-05) from
    revision 0x3a up to 0x3d;
  - Update of 06-bf-07/0x07 microcode (in intel-ucode/06-97-05) from
    revision 0x3a up to 0x3d;
  - Update of 06-9a-03/0x80 (ADL-P 6+8/U 9W L0/R0) microcode from revision
    0x437 up to 0x43a;
  - Update of 06-9a-04/0x80 (ADL-P 2+8 R0) microcode (in
    intel-ucode/06-9a-03) from revision 0x437 up to 0x43a;
  - Update of 06-9a-03/0x80 (ADL-P 6+8/U 9W L0/R0) microcode (in
    intel-ucode/06-9a-04) from revision 0x437 up to 0x43a;
  - Update of 06-9a-04/0x40 (AZB A0) microcode from revision 0xa up
    to 0xb;
  - Update of 06-9a-04/0x80 (ADL-P 2+8 R0) microcode from revision 0x437
    up to 0x43a;
  - Update of 06-ad-01/0x20 (GNR-AP/SP H0) microcode from revision
    0xa000100 up to 0xa000124;
  - Update of 06-ad-01/0x95 (GNR-AP/SP B0) microcode from revision
    0x10003d0 up to 0x10003f0;
  - Update of 06-af-03/0x01 (SRF-SP C0) microcode from revision 0x3000362
    up to 0x3000382;
  - Update of 06-b7-01/0x32 (RPL-S B0) microcode from revision 0x12f up
    to 0x132;
  - Update of 06-b7-04/0x32 microcode (in intel-ucode/06-b7-01) from
    revision 0x12f up to 0x132;
  - Update of 06-ba-02/0xe0 (RPL-H 6+8/P 6+8 J0) microcode from revision
    0x4129 up to 0x6133;
  - Update of 06-ba-03/0xe0 (RPL-U 2+8 Q0) microcode (in
    intel-ucode/06-ba-02) from revision 0x4129 up to 0x6133;
  - Update of 06-ba-08/0xe0 microcode (in intel-ucode/06-ba-02) from
    revision 0x4129 up to 0x6133;
  - Update of 06-ba-02/0xe0 (RPL-H 6+8/P 6+8 J0) microcode (in
    intel-ucode/06-ba-03) from revision 0x4129 up to 0x6133;
  - Update of 06-ba-03/0xe0 (RPL-U 2+8 Q0) microcode from revision 0x4129
    up to 0x6133;
  - Update of 06-ba-08/0xe0 microcode (in intel-ucode/06-ba-03) from
    revision 0x4129 up to 0x6133;
  - Update of 06-bd-01/0x80 (LNL B0) microcode from revision 0x123 up
    to 0x125;
  - Update of 06-be-00/0x19 (ADL-N A0) microcode from revision 0x1d up
    to 0x1e;
  - Update of 06-97-02/0x07 (ADL-HX/S 8+8 C0) microcode (in
    intel-ucode/06-bf-02) from revision 0x3a up to 0x3d;
  - Update of 06-97-05/0x07 (ADL-S 6+0 K0) microcode (in
    intel-ucode/06-bf-02) from revision 0x3a up to 0x3d;
  - Update of 06-bf-02/0x07 (ADL C0) microcode from revision 0x3a up
    to 0x3d;
  - Update of 06-bf-05/0x07 (ADL C0) microcode (in intel-ucode/06-bf-02)
    from revision 0x3a up to 0x3d;
  - Update of 06-bf-06/0x07 microcode (in intel-ucode/06-bf-02) from
    revision 0x3a up to 0x3d;
  - Update of 06-bf-07/0x07 microcode (in intel-ucode/06-bf-02) from
    revision 0x3a up to 0x3d;
  - Update of 06-97-02/0x07 (ADL-HX/S 8+8 C0) microcode (in
    intel-ucode/06-bf-05) from revision 0x3a up to 0x3d;
  - Update of 06-97-05/0x07 (ADL-S 6+0 K0) microcode (in
    intel-ucode/06-bf-05) from revision 0x3a up to 0x3d;
  - Update of 06-bf-02/0x07 (ADL C0) microcode (in intel-ucode/06-bf-05)
    from revision 0x3a up to 0x3d;
  - Update of 06-bf-05/0x07 (ADL C0) microcode from revision 0x3a up
    to 0x3d;
  - Update of 06-bf-06/0x07 microcode (in intel-ucode/06-bf-05) from
    revision 0x3a up to 0x3d;
  - Update of 06-bf-07/0x07 microcode (in intel-ucode/06-bf-05) from
    revision 0x3a up to 0x3d;
  - Update of 06-c5-02/0x82 (ARL-H A1) microcode from revision 0x119 up
    to 0x11a;
  - Update of 06-c6-02/0x82 (ARL-HX 8P/S B0) microcode (in
    intel-ucode/06-c5-02) from revision 0x119 up to 0x11a;
  - Update of 06-c6-04/0x82 microcode (in intel-ucode/06-c5-02) from
    revision 0x119 up to 0x11a;
  - Update of 06-ca-02/0x82 microcode (in intel-ucode/06-c5-02) from
    revision 0x119 up to 0x11a;
  - Update of 06-c5-02/0x82 (ARL-H A1) microcode (in intel-ucode/06-c6-02)
    from revision 0x119 up to 0x11a;
  - Update of 06-c6-02/0x82 (ARL-HX 8P/S B0) microcode from revision
    0x119 up to 0x11a;
  - Update of 06-c6-04/0x82 microcode (in intel-ucode/06-c6-02) from
    revision 0x119 up to 0x11a;
  - Update of 06-ca-02/0x82 microcode (in intel-ucode/06-c6-02) from
    revision 0x119 up to 0x11a;
  - Update of 06-cf-01/0x87 (EMR-SP A0) microcode (in
    intel-ucode/06-cf-02) from revision 0x210002b3 up to 0x210002c0;
  - Update of 06-cf-02/0x87 (EMR-SP A1) microcode from revision 0x210002b3
    up to 0x210002c0.

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