Security Fix(es):

• kernel: lockdown: bypass through ACPI write via efivar_ssdt (CVE-2019-20908)
• kernel: lockdown: bypass through ACPI write via acpi_configfs (CVE-2020-15780)

Bug Fix(es):

• kernel: provide infrastructure to support dual-signing of the kernel (foundation to help address CVE-2020-10713) (BZ#1837433)
• [Regression] RHEL8.2 RC - [Boston/DD2.1] [RHEL8.2/kernel-4.18.0-193.el8.ppc64le] Host kernel crashes while running storage test bucket on KVM guest (iscsi) (BZ#1852048)
• RHEL8.2 - s390/mm: fix panic in gup_fast on large pud (BZ#1853336)

https://access.redhat.com/errata/RHSA-2020:3218?sc_cid=701600000006NHXAA2