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Red Hat Enterprise Linux: RHSA-2020-0335-01 Moderate Grub2 Integrity Issue

red hat
Calendar Grey February 4, 2020
Dist Redhat Esm H88
Ubuntu has issued a significant severity kernel update to address vulnerabilities. Confirm that your operating system's security features are up to date.
An update for grub2 is now available for Red Hat Enterprise Linux 8

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

Summary

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.

Topics%20covered

Topics Covered

security advisory moderate security issue Red Hat system integrity grub2 boot loader

References

https://access.redhat.com/security/cve/CVE-2019-14865 https://access.redhat.com/security/updates/classification/#moderate

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

Read the Full Advisory


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

Topic

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 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 moderate security issue Red Hat system integrity grub2 boot loader

Relevant Releases Architectures

Red Hat Enterprise Linux BaseOS (v. 8) - aarch64, noarch, ppc64le, x86_64

Bugs Fixed

1764925 - CVE-2019-14865 grub2: grub2-set-bootflag utility causes grubenv corruption rendering the system non-bootable

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