SUSE-SU-2025:1550-1: important: Security update for openssl-3

[SLE-UPDATES]

# Security update for openssl-3

Announcement ID: SUSE-SU-2025:1550-1  
Release Date: 2025-05-14T17:05:27Z  
Rating: important  
References:

  * bsc#1230959
  * bsc#1231748
  * bsc#1232326
  * bsc#1240366
  * bsc#1240607

  
Cross-References:

  * CVE-2025-27587

  
CVSS scores:

  * CVE-2025-27587 ( SUSE ):  6.0
    CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
  * CVE-2025-27587 ( SUSE ):  5.3 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

  
Affected Products:

  * Basesystem 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 four security fixes can now be
installed.

## Description:

This update for openssl-3 fixes the following issues:

Security:

  * CVE-2025-27587: Timing side channel vulnerability in the P-384
    implementation when used with ECDSA in the PPC architecture (bsc#1240366).
  * Missing null pointer check before accessing handshake_func in ssl_lib.c
    (bsc#1240607).

FIPS:

  * Disabling EMS in OpenSSL configuration prevents sshd from starting
    (bsc#1230959, bsc#1232326, bsc#1231748).

## 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 15.6  
    zypper in -t patch SUSE-2025-1550=1 openSUSE-SLE-15.6-2025-1550=1

  * Basesystem Module 15-SP6  
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP6-2025-1550=1

## Package List:

  * openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64 i586)
    * libopenssl3-3.1.4-150600.5.27.1
    * libopenssl-3-fips-provider-debuginfo-3.1.4-150600.5.27.1
    * openssl-3-3.1.4-150600.5.27.1
    * openssl-3-debuginfo-3.1.4-150600.5.27.1
    * libopenssl-3-devel-3.1.4-150600.5.27.1
    * openssl-3-debugsource-3.1.4-150600.5.27.1
    * libopenssl3-debuginfo-3.1.4-150600.5.27.1
    * libopenssl-3-fips-provider-3.1.4-150600.5.27.1
  * openSUSE Leap 15.6 (x86_64)
    * libopenssl3-32bit-debuginfo-3.1.4-150600.5.27.1
    * libopenssl-3-devel-32bit-3.1.4-150600.5.27.1
    * libopenssl3-32bit-3.1.4-150600.5.27.1
    * libopenssl-3-fips-provider-32bit-3.1.4-150600.5.27.1
    * libopenssl-3-fips-provider-32bit-debuginfo-3.1.4-150600.5.27.1
  * openSUSE Leap 15.6 (noarch)
    * openssl-3-doc-3.1.4-150600.5.27.1
  * openSUSE Leap 15.6 (aarch64_ilp32)
    * libopenssl3-64bit-debuginfo-3.1.4-150600.5.27.1
    * libopenssl-3-devel-64bit-3.1.4-150600.5.27.1
    * libopenssl-3-fips-provider-64bit-debuginfo-3.1.4-150600.5.27.1
    * libopenssl-3-fips-provider-64bit-3.1.4-150600.5.27.1
    * libopenssl3-64bit-3.1.4-150600.5.27.1
  * Basesystem Module 15-SP6 (aarch64 ppc64le s390x x86_64)
    * libopenssl3-3.1.4-150600.5.27.1
    * libopenssl-3-fips-provider-debuginfo-3.1.4-150600.5.27.1
    * openssl-3-3.1.4-150600.5.27.1
    * openssl-3-debuginfo-3.1.4-150600.5.27.1
    * libopenssl-3-devel-3.1.4-150600.5.27.1
    * openssl-3-debugsource-3.1.4-150600.5.27.1
    * libopenssl3-debuginfo-3.1.4-150600.5.27.1
    * libopenssl-3-fips-provider-3.1.4-150600.5.27.1
  * Basesystem Module 15-SP6 (x86_64)
    * libopenssl-3-fips-provider-32bit-3.1.4-150600.5.27.1
    * libopenssl3-32bit-debuginfo-3.1.4-150600.5.27.1
    * libopenssl-3-fips-provider-32bit-debuginfo-3.1.4-150600.5.27.1
    * libopenssl3-32bit-3.1.4-150600.5.27.1

## References:

  * https://www.suse.com/security/cve/CVE-2025-27587.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1230959
  * https://bugzilla.suse.com/show_bug.cgi?id=1231748
  * https://bugzilla.suse.com/show_bug.cgi?id=1232326
  * https://bugzilla.suse.com/show_bug.cgi?id=1240366
  * https://bugzilla.suse.com/show_bug.cgi?id=1240607

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