RHSA-2020:3218 — Security Advisory

An update for kernel is now available for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

The kernel packages contain the Linux kernel, the core of any Linux operating system.

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)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

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)