SUSE-RU-2026:21346-1: important: Recommended update for grub2

[SLE-UPDATES]

# Recommended update for grub2

Announcement ID: SUSE-RU-2026:21346-1  
Release Date: 2026-04-24T10:01:55Z  
Rating: important  
References:

  * bsc#1221126
  * bsc#1259543

  
Affected Products:

  * SUSE Linux Micro 6.2

  
  
An update that has two fixes can now be installed.

## Description:

This update for grub2 fixes the following issues:

  * Fix missing install device check in grub2-install on PowerPC which could
    lead to bootlist corruption (bsc#1221126)
    * add mandatoryminstallmdevicemcheckmformPowerPC
  * Fix double free in xen booting if root filesystem is Btrfs (bsc#1259543)
    * btrfs: add ability to boot from subvolumes
    * btrfs: get default subvolume

## Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like
YaST online_update or "zypper patch".  
Alternatively you can run the command listed for your product:

  * SUSE Linux Micro 6.2  
    zypper in -t patch SUSE-SL-Micro-6.2-637=1

## Package List:

  * SUSE Linux Micro 6.2 (aarch64 ppc64le s390x x86_64)
    * grub2-common-debuginfo-2.12-160000.6.1
    * grub2-common-2.12-160000.6.1
    * grub2-2.12-160000.6.1
  * SUSE Linux Micro 6.2 (aarch64 s390x x86_64)
    * grub2-debugsource-2.12-160000.6.1
  * SUSE Linux Micro 6.2 (noarch)
    * grub2-powerpc-ieee1275-2.12-160000.6.1
    * grub2-x86_64-xen-2.12-160000.6.1
    * grub2-snapper-plugin-2.12-160000.6.1
    * grub2-x86_64-efi-2.12-160000.6.1
    * grub2-i386-pc-2.12-160000.6.1
    * grub2-arm64-efi-2.12-160000.6.1
  * SUSE Linux Micro 6.2 (s390x)
    * grub2-s390x-emu-2.12-160000.6.1

## References:

  * https://bugzilla.suse.com/show_bug.cgi?id=1221126
  * https://bugzilla.suse.com/show_bug.cgi?id=1259543

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