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Red Hat 8.0: RHSA-2020-3228-01 Moderate: Kernel Security Fix

red hat
Calendar Grey July 29, 2020
Dist Redhat Esm H88
Kernel enhancement for Red Hat 8.0 encompassing critical security patches alongside various bug fixes. Key update insights disclosed.
An update for kernel is now available for Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

The system must be rebooted for this update to take effect.

Summary

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#1837431)

Topics%20covered

Topics Covered

security advisory security issue Red Hat kernel update bug fix moderate severity Linux

References

https://access.redhat.com/security/cve/CVE-2019-20908 https://access.redhat.com/security/cve/CVE-2020-15780 https://access.redhat.com/security/updates/classification#moderate https://access.redhat.com/security/vulnerabilities/grub2bootloader

Package List

Red Hat Enterprise Linux BaseOS E4S (v. 8.0):
Source: kernel-4.18.0-80.27.2.el8_0.src.rpm
aarch64: bpftool-4.18.0-80.27.2.el8_0.aarch64.rpm bpftool-debuginfo-4.18.0-80.27.2.el8_0.aarch64.rpm kernel-4.18.0-80.27.2.el8_0.aarch64.rpm kernel-core-4.18.0-80.27.2.el8_0.aarch64.rpm kernel-cross-headers-4.18.0-80.27.2.el8_0.aarch64.rpm kernel-debug-4.18.0-80.27.2.el8_0.aarch64.rpm kernel-debug-core-4.18.0-80.27.2.el8_0.aarch64.rpm kernel-debug-debuginfo-4.18.0-80.27.2.el8_0.aarch64.rpm kernel-debug-devel-4.18.0-80.27.2.el8_0.aarch64.rpm kernel-debug-modules-4.18.0-80.27.2.el8_0.aarch64.rpm kernel-debug-modules-extra-4.18.0-80.27.2.el8_0.aarch64.rpm kernel-debuginfo-4.18.0-80.27.2.el8_0.aarch64.rpm kernel-debuginfo-common-aarch64-4.18.0-80.27.2.el8_0.aarch64.rpm kernel-devel-4.18.0-80.27.2.el8_0.aarch64.rpm kernel-headers-4.18.0-80.27.2.el8_0.aarch64.rpm kernel-modules-4.18.0-80.27.2.el8_0.aarch64.rpm kernel-modules-extra-4.18.0-80.27.2.el8_0.aarch64.rpm kernel-tools-4.18.0-80.27.2.el8_0.aarch64.rpm kernel-tools-debuginfo-4.18.0-80.27.2.el8_0.aarch64.rpm kernel-tools-libs-4.18.0-80.27.2.el8_0.aarch64.rpm perf-4.18.0-80.27.2.el8_0.aarch64.rpm perf-debuginfo-4.18.0-80.27.2.el8_0.aarch64.rpm python3-perf-4.18.0-80.27.2.el8_0.aarch64.rpm

Read the Full Advisory


Advisory ID: RHSA-2020:3228-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:3228
Issue date: 2020-07-29

Topic

An update for kernel is now available for Red Hat Enterprise Linux 8.0Update Services for SAP Solutions.Red Hat Product Security has rated this update as having a security impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory security issue Red Hat kernel update bug fix moderate severity Linux

Relevant Releases Architectures

Red Hat Enterprise Linux BaseOS E4S (v. 8.0) - aarch64, noarch, ppc64le, s390x, x86_64

Bugs Fixed

1852942 - CVE-2019-20908 kernel: lockdown: bypass through ACPI write via efivar_ssdt

1852962 - CVE-2020-15780 kernel: lockdown: bypass through ACPI write via acpi_configfs

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