SUSE-SU-2025:01638-1: moderate: Security update for openssh

[SLE-UPDATES]

# Security update for openssh

Announcement ID: SUSE-SU-2025:01638-1  
Release Date: 2025-05-21T10:48:47Z  
Rating: moderate  
References:

  * bsc#1236826
  * bsc#1239671
  * bsc#1241012

  
Cross-References:

  * CVE-2025-32728

  
CVSS scores:

  * CVE-2025-32728 ( SUSE ):  5.1
    CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N
  * CVE-2025-32728 ( SUSE ):  4.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
  * CVE-2025-32728 ( NVD ):  4.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N

  
Affected Products:

  * Basesystem Module 15-SP6
  * Desktop Applications Module 15-SP6
  * openSUSE Leap 15.6
  * SUSE Linux Enterprise Desktop 15 SP6
  * SUSE Linux Enterprise Real Time 15 SP6
  * SUSE Linux Enterprise Server 15 SP6
  * SUSE Linux Enterprise Server for SAP Applications 15 SP6

  
  
An update that solves one vulnerability and has two security fixes can now be
installed.

## Description:

This update for openssh fixes the following issue:

Security fixes:

  * CVE-2025-32728: Fixed logic error in DisableForwarding option (bsc#1241012)

Other fixes: \- Fix ssh client segfault with GSSAPIKeyExchange=yes in ssh_kex2
due to gssapi proposal not being correctly initialized (bsc#1236826). The
problem was introduced in the rebase of the patch for 9.6p1 \- Enable --with-
logind to call the SetTTY dbus method in systemd. This allows "wall" to print
messages in ssh ttys (bsc#1239671)

## 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:

  * Desktop Applications Module 15-SP6  
    zypper in -t patch SUSE-SLE-Module-Desktop-Applications-15-SP6-2025-1638=1

  * openSUSE Leap 15.6  
    zypper in -t patch SUSE-2025-1638=1 openSUSE-SLE-15.6-2025-1638=1

  * Basesystem Module 15-SP6  
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP6-2025-1638=1

## Package List:

  * Desktop Applications Module 15-SP6 (aarch64 ppc64le s390x x86_64)
    * openssh-askpass-gnome-9.6p1-150600.6.26.1
    * openssh-askpass-gnome-debugsource-9.6p1-150600.6.26.1
    * openssh-askpass-gnome-debuginfo-9.6p1-150600.6.26.1
  * openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64 i586)
    * openssh-helpers-9.6p1-150600.6.26.1
    * openssh-clients-9.6p1-150600.6.26.1
    * openssh-helpers-debuginfo-9.6p1-150600.6.26.1
    * openssh-cavs-9.6p1-150600.6.26.1
    * openssh-debugsource-9.6p1-150600.6.26.1
    * openssh-server-debuginfo-9.6p1-150600.6.26.1
    * openssh-9.6p1-150600.6.26.1
    * openssh-debuginfo-9.6p1-150600.6.26.1
    * openssh-server-config-disallow-rootlogin-9.6p1-150600.6.26.1
    * openssh-askpass-gnome-debugsource-9.6p1-150600.6.26.1
    * openssh-fips-9.6p1-150600.6.26.1
    * openssh-cavs-debuginfo-9.6p1-150600.6.26.1
    * openssh-server-9.6p1-150600.6.26.1
    * openssh-common-9.6p1-150600.6.26.1
    * openssh-clients-debuginfo-9.6p1-150600.6.26.1
    * openssh-askpass-gnome-9.6p1-150600.6.26.1
    * openssh-common-debuginfo-9.6p1-150600.6.26.1
    * openssh-askpass-gnome-debuginfo-9.6p1-150600.6.26.1
  * Basesystem Module 15-SP6 (aarch64 ppc64le s390x x86_64)
    * openssh-helpers-9.6p1-150600.6.26.1
    * openssh-clients-9.6p1-150600.6.26.1
    * openssh-helpers-debuginfo-9.6p1-150600.6.26.1
    * openssh-debugsource-9.6p1-150600.6.26.1
    * openssh-9.6p1-150600.6.26.1
    * openssh-debuginfo-9.6p1-150600.6.26.1
    * openssh-server-config-disallow-rootlogin-9.6p1-150600.6.26.1
    * openssh-fips-9.6p1-150600.6.26.1
    * openssh-server-9.6p1-150600.6.26.1
    * openssh-common-9.6p1-150600.6.26.1
    * openssh-clients-debuginfo-9.6p1-150600.6.26.1
    * openssh-server-debuginfo-9.6p1-150600.6.26.1
    * openssh-common-debuginfo-9.6p1-150600.6.26.1

## References:

  * https://www.suse.com/security/cve/CVE-2025-32728.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1236826
  * https://bugzilla.suse.com/show_bug.cgi?id=1239671
  * https://bugzilla.suse.com/show_bug.cgi?id=1241012

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