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Fedora Update Notification
FEDORA-2019-e99ebf23c8
2019-11-29 00:53:16.425819
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Name : grub2
Product : Fedora 31
Version : 2.02
Release : 103.fc31
URL : http://www.gnu.org/software/grub/
Summary : Bootloader with support for Linux, Multiboot and more
Description :

The GRand Unified Bootloader (GRUB) is a highly configurable and
customizable bootloader with modular architecture. It supports a rich
variety of kernel formats, file systems, computer architectures and
hardware devices.

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Update Information:

Fix a grub hidden-menu regression and a bug in blscfg variable expansion —-
Security fix for CVE-2019-14865
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ChangeLog:

* Wed Nov 27 2019 Javier Martinez Canillas <javierm@redhat.com> – 2.02-103
– blscfg: add a space char when appending fields for variable expansion
– grub.d: Fix boot_indeterminate getting set on boot_success=0 boot
* Tue Nov 26 2019 Javier Martinez Canillas <javierm@redhat.com> – 2.02-102
– grub-set-bootflag: Write new env to tmpfile and then rename (hdegoede)
Resolves: CVE-2019-14865
Resolves: rhbz#1776580
* Wed Oct 16 2019 Javier Martinez Canillas <javierm@redhat.com> – 2.02-101
– 99-grub-mkconfig: Also disable BLS usage for Xen Dom0 hosts
Resolves: rhbz#1761799
– blscfg: Fix typo for gfxpayload variable name
Resolves: rhbz#1706489
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References:

[ 1 ] Bug #1764925 – CVE-2019-14865 grub2: grub2-set-bootflag utility causes grubenv corruption rendering the system non-bootable
https://bugzilla.redhat.com/show_bug.cgi?id=1764925
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This update can be installed with the “dnf” update program. Use
su -c ‘dnf upgrade –advisory FEDORA-2019-e99ebf23c8’ at the command
line. For more information, refer to the dnf documentation available at
http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label

All packages are signed with the Fedora Project GPG key. More details on the
GPG keys used by the Fedora Project can be found at
https://fedoraproject.org/keys
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