SUSE alert openSUSE-SU-2026:20878-1 (sdbootutil)

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openSUSE-SU-2026:20878-1: important: Security update for sdbootutil
Date:
             
 
Wed, 03 Jun 2026 17:51:19 +0200
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<20260603155119.D4507FCEE@maintenance.suse.de>
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Article
openSUSE security update: security update for sdbootutil
-------------------------------------------------------------

Announcement ID: openSUSE-SU-2026:20878-1
Rating: important
References:

  * bsc#1243889
  * bsc#1247952
  * bsc#1252871
  * bsc#1253652
  * bsc#1254317
  * bsc#1254534
  * bsc#1254865
  * bsc#1256775
  * bsc#1257612
  * bsc#1258241
  * bsc#1258944



Cross-References:

  * CVE-2026-25701



CVSS scores:

  * CVE-2026-25701 ( SUSE ): 7.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H
  * CVE-2026-25701 ( SUSE ): 7 CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N

Affected Products:

         openSUSE Leap 16.0

-------------------------------------------------------------

An update that solves one vulnerability and has 11 bug fixes can now be installed.

Description:

This update for sdbootutil fixes the following issues

Security issue:

- CVE-2026-25701: use of fixed directory /tmp/pcrlock.d.back in
sdbootutil-update-predictions.service (bsc#1258241).

Non security issues:

Update to version 1+git20260506.25d47bf:
- TPM based system does not auto-unlock encryption (bsc#1257612).
- openQA test fails in reboot_after_installation - sdbootutil does not honor timeout set by user
  (bsc#1258944).
- Installation with Systemd-boot fails when Turkish language is selected (bsc#1253652).
- armv7 installer requires sdbootutil and shim on armv7 (bsc#1254865).
- sdbootutil default entry not updated after update from 20250411 to 20250522 (bsc#1243889).
- sdbootutil: consistent naming conventions used for key/pin ? (bsc#1252871).
- UPDATE_NVRAM is NO when BLS bootloader is used (bsc#1247952).
- Use tmpfiles.d for /var directories (jsc#PED-14900).
- yast reports "Cannot enroll authentication" during fresh install of tumbleweed (bsc#1256775).


Patch instructions:

   To install this openSUSE security 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 16.0

   zypper in -t patch openSUSE-Leap-16.0-868=1

Package List:

- openSUSE Leap 16.0:

  sdbootutil-1+git20260506.25d47bf-160000.1.1
  sdbootutil-bash-completion-1+git20260506.25d47bf-160000.1.1
  sdbootutil-dracut-measure-pcr-1+git20260506.25d47bf-160000.1.1
  sdbootutil-enroll-1+git20260506.25d47bf-160000.1.1
  sdbootutil-jeos-firstboot-enroll-1+git20260506.25d47bf-160000.1.1
  sdbootutil-kernel-install-1+git20260506.25d47bf-160000.1.1
  sdbootutil-snapper-1+git20260506.25d47bf-160000.1.1
  sdbootutil-tukit-1+git20260506.25d47bf-160000.1.1

References:

  * https://www.suse.com/security/cve/CVE-2026-25701.html