SUSE-SU-2025:02002-1: important: Security update for gdm

[SLE-UPDATES]

# Security update for gdm

Announcement ID: SUSE-SU-2025:02002-1  
Release Date: 2025-06-18T11:21:43Z  
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 Linux Enterprise High Performance Computing 12 SP5
  * SUSE Linux Enterprise Server 12 SP5
  * SUSE Linux Enterprise Server 12 SP5 LTSS
  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security
  * SUSE Linux Enterprise Server for SAP Applications 12 SP5

  
  
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 Server 12 SP5 LTSS  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-2025-2002=1

  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2025-2002=1

## Package List:

  * SUSE Linux Enterprise Server 12 SP5 LTSS (aarch64 ppc64le s390x x86_64)
    * gdm-3.10.0.1-54.23.1
    * libgdm1-3.10.0.1-54.23.1
    * libgdm1-debuginfo-3.10.0.1-54.23.1
    * gdm-debuginfo-3.10.0.1-54.23.1
    * gdm-debugsource-3.10.0.1-54.23.1
    * gdm-devel-3.10.0.1-54.23.1
    * typelib-1_0-Gdm-1_0-3.10.0.1-54.23.1
  * SUSE Linux Enterprise Server 12 SP5 LTSS (noarch)
    * gdmflexiserver-3.10.0.1-54.23.1
    * gdm-lang-3.10.0.1-54.23.1
  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (x86_64)
    * gdm-3.10.0.1-54.23.1
    * libgdm1-3.10.0.1-54.23.1
    * libgdm1-debuginfo-3.10.0.1-54.23.1
    * gdm-debuginfo-3.10.0.1-54.23.1
    * gdm-debugsource-3.10.0.1-54.23.1
    * gdm-devel-3.10.0.1-54.23.1
    * typelib-1_0-Gdm-1_0-3.10.0.1-54.23.1
  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (noarch)
    * gdmflexiserver-3.10.0.1-54.23.1
    * gdm-lang-3.10.0.1-54.23.1

## References:

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

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