RedHat: RHSA-2020-0335:01 Moderate: grub2 security update

    Date 04 Feb 2020
    401
    Posted By LinuxSecurity Advisories
    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
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    =====================================================================
                       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.
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