SUSE-RU-2026:20001-1: important: Recommended update for systemd

[SLE-UPDATES]

# Recommended update for systemd

Announcement ID: SUSE-RU-2026:20001-1  
Release Date: 2025-12-16T15:38:03Z  
Rating: important  
References:

  * bsc#1224386
  * bsc#1244449
  * bsc#1245551
  * bsc#1248356
  * bsc#1248501
  * bsc#1254563
  * jsc#PED-12669

  
Affected Products:

  * SUSE Linux Micro 6.0
  * SUSE Linux Micro Extras 6.0

  
  
An update that contains one feature and has six fixes can now be installed.

## Description:

This update for systemd fixes the following issues:

  * timer: rebase last_trigger timestamp if needed
  * timer: rebase the next elapse timestamp only if timer didn't already run
  * timer: don't run service immediately after restart of a timer (bsc#1254563)
  * test: check the next elapse timer timestamp after deserialization
  * test: restarting elapsed timer shouldn't trigger the corresponding service
  * units: don't force the loading of the loop and dm_mod modules in systemd-
    repart.service (bsc#1248356)
  * units: add dep on systemd-logind.service by user at .service
  * detect-virt: add bare-metal support for GCE (bsc#1244449)
  * Sync systemd-update-helper with the version shipped in Base:System
  * systemd-update-helper: do not stop or disable services when they are
    migrated to other packages. This can occur during package renaming or
    splitting.
  * systemd-update-helper: Fix invalid use of "break" in case statement
  * systemd-update-helper: fix regression introduced when support for package
    renaming/splitting was added (bsc#1245551)
  * systemd-update-helper:
    * Since user at .service has `Type=notify-reload` and reloading implies reexecuting with `ReloadSignal=RTMIN+25`, reexecuting user managers synchronously can be achieved with `systemctl reload user@*.service" now.
  * systemd.spec: use %sysusers_generate_pre so that some systemd users are
    already available in %pre (bsc#1248501)
  * Split systemd-network into two new sub-packages: systemd-networkd and
    systemd-resolved (bsc#1224386 jsc#PED-12669)

## Special Instructions and Notes:

  * Please reboot the system after installing this update.

## 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 6.0  
    zypper in -t patch SUSE-SLE-Micro-6.0-537=1

  * SUSE Linux Micro Extras 6.0  
    zypper in -t patch SUSE-SLE-Micro-6.0-537=1

## Package List:

  * SUSE Linux Micro 6.0 (aarch64 s390x x86_64)
    * systemd-container-254.27-2.1
    * systemd-coredump-254.27-2.1
    * systemd-experimental-254.27-2.1
    * systemd-journal-remote-254.27-2.1
    * systemd-journal-remote-debuginfo-254.27-2.1
    * systemd-254.27-2.1
    * udev-254.27-2.1
    * systemd-debugsource-254.27-2.1
    * systemd-portable-254.27-2.1
    * libudev1-debuginfo-254.27-2.1
    * libsystemd0-debuginfo-254.27-2.1
    * libsystemd0-254.27-2.1
    * systemd-coredump-debuginfo-254.27-2.1
    * systemd-experimental-debuginfo-254.27-2.1
    * systemd-portable-debuginfo-254.27-2.1
    * udev-debuginfo-254.27-2.1
    * libudev1-254.27-2.1
    * systemd-container-debuginfo-254.27-2.1
    * systemd-debuginfo-254.27-2.1
  * SUSE Linux Micro Extras 6.0 (aarch64 s390x x86_64)
    * systemd-debugsource-254.27-2.1
    * systemd-devel-254.27-2.1

## References:

  * https://bugzilla.suse.com/show_bug.cgi?id=1224386
  * https://bugzilla.suse.com/show_bug.cgi?id=1244449
  * https://bugzilla.suse.com/show_bug.cgi?id=1245551
  * https://bugzilla.suse.com/show_bug.cgi?id=1248356
  * https://bugzilla.suse.com/show_bug.cgi?id=1248501
  * https://bugzilla.suse.com/show_bug.cgi?id=1254563
  * https://jira.suse.com/browse/PED-12669

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