A grub2 security update has been released for Red Hat Enterprise Linux 8.
=====================================================================
Red Hat Security Advisory
Synopsis: Moderate: grub2 security update
Advisory ID: RHSA-2020:0335-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:0335
Issue date: 2020-02-04
CVE Names: CVE-2019-14865
=====================================================================
1. Summary:
An update for grub2 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.
2. Relevant releases/architectures:
Red Hat Enterprise Linux BaseOS (v. 8) - aarch64, noarch, ppc64le, x86_64
3. Description:
The grub2 packages provide version 2 of the Grand Unified Boot Loader
(GRUB), a highly configurable and customizable boot loader with modular
architecture. The packages support a variety of kernel formats, file
systems, computer architectures, and hardware devices.
Security Fix(es):
* grub2: grub2-set-bootflag utility causes grubenv corruption rendering the
system non-bootable (CVE-2019-14865)
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.
4. 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
5. Bugs fixed ( https://bugzilla.redhat.com/):
1764925 - CVE-2019-14865 grub2: grub2-set-bootflag utility causes grubenv corruption rendering the system non-bootable
6. Package List:
Red Hat Enterprise Linux BaseOS (v. 8):
Source:
grub2-2.02-78.el8_1.1.src.rpm
aarch64:
grub2-debuginfo-2.02-78.el8_1.1.aarch64.rpm
grub2-debugsource-2.02-78.el8_1.1.aarch64.rpm
grub2-efi-aa64-2.02-78.el8_1.1.aarch64.rpm
grub2-efi-aa64-cdboot-2.02-78.el8_1.1.aarch64.rpm
grub2-tools-2.02-78.el8_1.1.aarch64.rpm
grub2-tools-debuginfo-2.02-78.el8_1.1.aarch64.rpm
grub2-tools-extra-2.02-78.el8_1.1.aarch64.rpm
grub2-tools-extra-debuginfo-2.02-78.el8_1.1.aarch64.rpm
grub2-tools-minimal-2.02-78.el8_1.1.aarch64.rpm
grub2-tools-minimal-debuginfo-2.02-78.el8_1.1.aarch64.rpm
noarch:
grub2-common-2.02-78.el8_1.1.noarch.rpm
grub2-efi-aa64-modules-2.02-78.el8_1.1.noarch.rpm
grub2-efi-ia32-modules-2.02-78.el8_1.1.noarch.rpm
grub2-efi-x64-modules-2.02-78.el8_1.1.noarch.rpm
grub2-pc-modules-2.02-78.el8_1.1.noarch.rpm
grub2-ppc64le-modules-2.02-78.el8_1.1.noarch.rpm
ppc64le:
grub2-debuginfo-2.02-78.el8_1.1.ppc64le.rpm
grub2-debugsource-2.02-78.el8_1.1.ppc64le.rpm
grub2-ppc64le-2.02-78.el8_1.1.ppc64le.rpm
grub2-tools-2.02-78.el8_1.1.ppc64le.rpm
grub2-tools-debuginfo-2.02-78.el8_1.1.ppc64le.rpm
grub2-tools-extra-2.02-78.el8_1.1.ppc64le.rpm
grub2-tools-extra-debuginfo-2.02-78.el8_1.1.ppc64le.rpm
grub2-tools-minimal-2.02-78.el8_1.1.ppc64le.rpm
grub2-tools-minimal-debuginfo-2.02-78.el8_1.1.ppc64le.rpm
x86_64:
grub2-debuginfo-2.02-78.el8_1.1.x86_64.rpm
grub2-debugsource-2.02-78.el8_1.1.x86_64.rpm
grub2-efi-ia32-2.02-78.el8_1.1.x86_64.rpm
grub2-efi-ia32-cdboot-2.02-78.el8_1.1.x86_64.rpm
grub2-efi-x64-2.02-78.el8_1.1.x86_64.rpm
grub2-efi-x64-cdboot-2.02-78.el8_1.1.x86_64.rpm
grub2-pc-2.02-78.el8_1.1.x86_64.rpm
grub2-tools-2.02-78.el8_1.1.x86_64.rpm
grub2-tools-debuginfo-2.02-78.el8_1.1.x86_64.rpm
grub2-tools-efi-2.02-78.el8_1.1.x86_64.rpm
grub2-tools-efi-debuginfo-2.02-78.el8_1.1.x86_64.rpm
grub2-tools-extra-2.02-78.el8_1.1.x86_64.rpm
grub2-tools-extra-debuginfo-2.02-78.el8_1.1.x86_64.rpm
grub2-tools-minimal-2.02-78.el8_1.1.x86_64.rpm
grub2-tools-minimal-debuginfo-2.02-78.el8_1.1.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/
7. References:
https://access.redhat.com/security/cve/CVE-2019-14865
https://access.redhat.com/security/updates/classification/#moderate
8. Contact:
The Red Hat security contact is . More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2020 Red Hat, Inc.
