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openSUSE 15.4: 2025:02004-1 important: gdm auth stack issue

opensuse
Calendar Grey June 18, 2025
Dist Opensuse Esm H88
Significant advancement for gdm on openSUSE, tackling CVE-2025-6018 with essential rectification guidelines.
An update that solves one vulnerability can now be installed.

Description

This update for gdm fixes the following issues:

* CVE-2025-6018: Removes pam_env from auth stack for security reason

(bsc#1243226).

Topics%20covered

Topics Covered

security advisory security issue important authentication issue gdm openSUSE

Patch

## 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 15.4

zypper in -t patch SUSE-2025-2004=1

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4

zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2025-2004=1

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP4

zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2025-2004=1

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5

zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2025-2004=1

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP5

zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2025-2004=1

* SUSE Linux Enterprise Server 15 SP4 LTSS

zypper in -t patch SUSE-SLE-Product-SLES-15-SP4-LTSS-2025-2004=1

* SUSE Linux Enterprise Server 15 SP5 LTSS

zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2025-2004=1

* SUSE Linux Enterprise...

Read the Full Advisory

Package List

* openSUSE Leap 15.4 (aarch64 ppc64le s390x x86_64 i586)

* typelib-1_0-Gdm-1_0-41.3-150400.4.14.1

* gdm-debugsource-41.3-150400.4.14.1

* gdm-41.3-150400.4.14.1

* libgdm1-debuginfo-41.3-150400.4.14.1

* gdm-debuginfo-41.3-150400.4.14.1

* gdm-devel-41.3-150400.4.14.1

* libgdm1-41.3-150400.4.14.1

* openSUSE Leap 15.4 (noarch)

* gdm-lang-41.3-150400.4.14.1

* gdmflexiserver-41.3-150400.4.14.1

* gdm-systemd-41.3-150400.4.14.1

* gdm-branding-upstream-41.3-150400.4.14.1

* gdm-schema-41.3-150400.4.14.1

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (aarch64

x86_64)

* typelib-1_0-Gdm-1_0-41.3-150400.4.14.1

* gdm-debugsource-41.3-150400.4.14.1

* gdm-41.3-150400.4.14.1

* libgdm1-debuginfo-41.3-150400.4.14.1

* gdm-debuginfo-41.3-150400.4.14.1

* gdm-devel-41.3-150400.4.14.1

* libgdm1-41.3-150400.4.14.1

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (noarch)

* gdm-lang-41.3-150400.4.14.1

* gdm-systemd-41.3-150400.4.14.1

* gdm-schema-41.3-150400.4.14.1

* gdmflexiserver-41.3-150400.4.14.1

* SUSE...

Read the Full Advisory

References

* bsc#1243226

## References:

* https://www.suse.com/security/cve/CVE-2025-6018.html

* https://bugzilla.suse.com/show_bug.cgi?id=1243226

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2025:02004-1
Release Date: 2025-06-18T11:22:29Z
Affected Products: * openSUSE Leap 15.4 * SUSE Linux Enterprise High Performance Computing 15 SP4 * SUSE Linux Enterprise High Performance Computing 15 SP5 * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 * SUSE Linux Enterprise Server 15 SP4 * SUSE Linux Enterprise Server 15 SP4 LTSS * SUSE Linux Enterprise Server 15 SP5 * SUSE Linux Enterprise Server 15 SP5 LTSS * SUSE Linux Enterprise Server for SAP Applications 15 SP4 * SUSE Linux Enterprise Server for SAP Applications 15 SP5

Topics%20covered

Topics Covered

security advisory security issue important authentication issue gdm openSUSE

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