SUSE-SU-2025:02015-1: important: Security update for gdm

[SLE-UPDATES]

# Security update for gdm

Announcement ID: SUSE-SU-2025:02015-1  
Release Date: 2025-06-19T07:14:13Z  
Rating: important  
References:

  * bsc#1243226

  
Cross-References:

  * CVE-2025-6018

  
CVSS scores:

  * CVE-2025-6018 ( SUSE ):  8.6
    CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2025-6018 ( SUSE ):  8.4 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

  
Affected Products:

  * SUSE Enterprise Storage 7.1
  * SUSE Linux Enterprise High Performance Computing 15 SP3
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP3
  * SUSE Linux Enterprise Server 15 SP3
  * SUSE Linux Enterprise Server 15 SP3 LTSS
  * SUSE Linux Enterprise Server for SAP Applications 15 SP3

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for gdm fixes the following issues:

  * CVE-2025-6018: pam.d: removes pam_env from auth stack for security reason
    (bsc#1243226).

## 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 Enterprise High Performance Computing LTSS 15 SP3  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP3-LTSS-2025-2015=1

  * SUSE Linux Enterprise Server 15 SP3 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP3-LTSS-2025-2015=1

  * SUSE Linux Enterprise Server for SAP Applications 15 SP3  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP3-2025-2015=1

  * SUSE Enterprise Storage 7.1  
    zypper in -t patch SUSE-Storage-7.1-2025-2015=1

## Package List:

  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP3 (aarch64
    x86_64)
    * gdm-3.34.1-150200.8.26.1
    * typelib-1_0-Gdm-1_0-3.34.1-150200.8.26.1
    * libgdm1-debuginfo-3.34.1-150200.8.26.1
    * gdm-debugsource-3.34.1-150200.8.26.1
    * libgdm1-3.34.1-150200.8.26.1
    * gdm-debuginfo-3.34.1-150200.8.26.1
    * gdm-devel-3.34.1-150200.8.26.1
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP3 (noarch)
    * gdmflexiserver-3.34.1-150200.8.26.1
    * gdm-systemd-3.34.1-150200.8.26.1
    * gdm-lang-3.34.1-150200.8.26.1
  * SUSE Linux Enterprise Server 15 SP3 LTSS (aarch64 ppc64le s390x x86_64)
    * gdm-3.34.1-150200.8.26.1
    * typelib-1_0-Gdm-1_0-3.34.1-150200.8.26.1
    * libgdm1-debuginfo-3.34.1-150200.8.26.1
    * gdm-debugsource-3.34.1-150200.8.26.1
    * libgdm1-3.34.1-150200.8.26.1
    * gdm-debuginfo-3.34.1-150200.8.26.1
    * gdm-devel-3.34.1-150200.8.26.1
  * SUSE Linux Enterprise Server 15 SP3 LTSS (noarch)
    * gdmflexiserver-3.34.1-150200.8.26.1
    * gdm-systemd-3.34.1-150200.8.26.1
    * gdm-lang-3.34.1-150200.8.26.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP3 (ppc64le x86_64)
    * gdm-3.34.1-150200.8.26.1
    * typelib-1_0-Gdm-1_0-3.34.1-150200.8.26.1
    * libgdm1-debuginfo-3.34.1-150200.8.26.1
    * gdm-debugsource-3.34.1-150200.8.26.1
    * libgdm1-3.34.1-150200.8.26.1
    * gdm-debuginfo-3.34.1-150200.8.26.1
    * gdm-devel-3.34.1-150200.8.26.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP3 (noarch)
    * gdmflexiserver-3.34.1-150200.8.26.1
    * gdm-systemd-3.34.1-150200.8.26.1
    * gdm-lang-3.34.1-150200.8.26.1
  * SUSE Enterprise Storage 7.1 (aarch64 x86_64)
    * gdm-3.34.1-150200.8.26.1
    * typelib-1_0-Gdm-1_0-3.34.1-150200.8.26.1
    * libgdm1-debuginfo-3.34.1-150200.8.26.1
    * gdm-debugsource-3.34.1-150200.8.26.1
    * libgdm1-3.34.1-150200.8.26.1
    * gdm-debuginfo-3.34.1-150200.8.26.1
    * gdm-devel-3.34.1-150200.8.26.1
  * SUSE Enterprise Storage 7.1 (noarch)
    * gdmflexiserver-3.34.1-150200.8.26.1
    * gdm-systemd-3.34.1-150200.8.26.1
    * gdm-lang-3.34.1-150200.8.26.1

## References:

  * https://www.suse.com/security/cve/CVE-2025-6018.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1243226

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