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A microcode_ctl security update has been released for Oracle Linux 7.



ELSA-2023-12989 Important: Oracle Linux 7 microcode_ctl security update


Oracle Linux Security Advisory ELSA-2023-12989

http://linux.oracle.com/errata/ELSA-2023-12989.html

The following updated rpms for Oracle Linux 7 have been uploaded to the Unbreakable Linux Network:

x86_64:
microcode_ctl-2.1-73.19.0.3.el7_9.x86_64.rpm

SRPMS:
http://oss.oracle.com/ol7/SRPMS-updates//microcode_ctl-2.1-73.19.0.3.el7_9.src.rpm

Related CVEs:

CVE-2023-23583

Description of changes:

[2:2.1-73.19.0.3]
- update 06-6a-06 to 0xd0003b9 {CVE-2023-23583}

[2:2.1-73.19.0.1]
- don't bother calling dracut if virtualized [Orabug: 35702409]
- also rebuild initramfs for kernel-ueknano [Orabug: 35698043]
- ensure UEK also rebuilds initramfs [Orabug: 34280052]
- for Intel, do not trigger load if on-disk microcode is not an update [Orabug: 30634727]
- set early_microcode="no" in virtualized guests to avoid early load bugs [Orabug: 30618736]
- ensure late loading fixes are present on 4.1.12-* and 4.14.35-*
- enable early and late load for 5.4.17-*
- enable early loading for 06-4f-01 caveat
- remove no longer appropriate caveats for 06-2d-07 and 06-55-04