A grub2 bug fix update has been released for Oracle Linux 7.

El-errata: ELBA-2020-6007 Oracle Linux 7 grub2 bug fix update

Oracle Linux Bug Fix Advisory ELBA-2020-6007

  http://linux.oracle.com/errata/ELBA-2020-6007.html

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

x86_64:
grub2-2.02-0.87.0.5.el7.x86_64.rpm
grub2-common-2.02-0.87.0.5.el7.noarch.rpm
grub2-efi-ia32-2.02-0.87.0.5.el7.x86_64.rpm
grub2-efi-ia32-modules-2.02-0.87.0.5.el7.noarch.rpm
grub2-efi-x64-2.02-0.87.0.5.el7.x86_64.rpm
grub2-efi-x64-modules-2.02-0.87.0.5.el7.noarch.rpm
grub2-pc-2.02-0.87.0.5.el7.x86_64.rpm
grub2-pc-modules-2.02-0.87.0.5.el7.noarch.rpm
grub2-tools-2.02-0.87.0.5.el7.x86_64.rpm
grub2-tools-extra-2.02-0.87.0.5.el7.x86_64.rpm
grub2-tools-minimal-2.02-0.87.0.5.el7.x86_64.rpm
grub2-efi-ia32-cdboot-2.02-0.87.0.5.el7.x86_64.rpm
grub2-efi-x64-cdboot-2.02-0.87.0.5.el7.x86_64.rpm

SRPMS:
  http://oss.oracle.com/ol7/SRPMS-updates/grub2-2.02-0.87.0.5.el7.src.rpm


Description of changes:

[2.02-0.87.0.5]
- Use similar format for menu entry in grub environment block
- config file. [Orabug: 32172943]