SUSE-RU-2026:0637-1: important: Recommended update for grub2

[SLE-UPDATES]

# Recommended update for grub2

Announcement ID: SUSE-RU-2026:0637-1  
Release Date: 2026-02-25T12:13:54Z  
Rating: important  
References:

  * bsc#1254299
  * bsc#1258022

  
Affected Products:

  * openSUSE Leap 15.6

  
  
An update that has two fixes can now be installed.

## Description:

This update for grub2 fixes the following issues:

  * Backport upstream's commit to prevent BIOS assert (bsc#1258022)
  * Fix error "grub-core/script/lexer.c:352:out of memory" after PowerPC CAS
    Reboot (bsc#1254299)
    * Fix PowerPC CAS reboot to evaluate menu context

## 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:

  * openSUSE Leap 15.6  
    zypper in -t patch SUSE-2026-637=1 openSUSE-SLE-15.6-2026-637=1

## Package List:

  * openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64 i586)
    * grub2-2.12-150600.8.49.1
    * grub2-debuginfo-2.12-150600.8.49.1
    * grub2-branding-upstream-2.12-150600.8.49.1
  * openSUSE Leap 15.6 (aarch64 s390x x86_64 i586)
    * grub2-debugsource-2.12-150600.8.49.1
  * openSUSE Leap 15.6 (noarch)
    * grub2-i386-pc-2.12-150600.8.49.1
    * grub2-i386-efi-debug-2.12-150600.8.49.1
    * grub2-x86_64-xen-debug-2.12-150600.8.49.1
    * grub2-arm64-efi-debug-2.12-150600.8.49.1
    * grub2-i386-pc-extras-2.12-150600.8.49.1
    * grub2-x86_64-xen-extras-2.12-150600.8.49.1
    * grub2-i386-pc-debug-2.12-150600.8.49.1
    * grub2-arm64-efi-extras-2.12-150600.8.49.1
    * grub2-x86_64-efi-2.12-150600.8.49.1
    * grub2-powerpc-ieee1275-extras-2.12-150600.8.49.1
    * grub2-i386-efi-2.12-150600.8.49.1
    * grub2-i386-xen-debug-2.12-150600.8.49.1
    * grub2-i386-xen-extras-2.12-150600.8.49.1
    * grub2-systemd-sleep-plugin-2.12-150600.8.49.1
    * grub2-x86_64-efi-debug-2.12-150600.8.49.1
    * grub2-powerpc-ieee1275-2.12-150600.8.49.1
    * grub2-s390x-emu-extras-2.12-150600.8.49.1
    * grub2-arm64-efi-2.12-150600.8.49.1
    * grub2-x86_64-xen-2.12-150600.8.49.1
    * grub2-x86_64-efi-extras-2.12-150600.8.49.1
    * grub2-snapper-plugin-2.12-150600.8.49.1
    * grub2-i386-efi-extras-2.12-150600.8.49.1
    * grub2-powerpc-ieee1275-debug-2.12-150600.8.49.1
    * grub2-i386-xen-2.12-150600.8.49.1
  * openSUSE Leap 15.6 (s390x)
    * grub2-s390x-emu-2.12-150600.8.49.1
    * grub2-s390x-emu-debug-2.12-150600.8.49.1

## References:

  * https://bugzilla.suse.com/show_bug.cgi?id=1254299
  * https://bugzilla.suse.com/show_bug.cgi?id=1258022

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