1.1.7 Security

The following notable security features are implemented in Unbreakable Enterprise Kernel Release 5 Update 1:

  • Secure boot update.  UEFI Secure Boot certificates used to sign the kernel and grub2 bootloader and which are verified using shim, have been updated to avoid expiration. This update can affect continued UEFI Secure boot functionality if the boot components involved are not all using the same valid Extended Validation (EV) certificate. For more information, see the Oracle Linux 7 UEFI Secure Boot Update Notice at https://docs.oracle.com/cd/E93554_01/F12070/html/index.html.

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