SUSE-SU-2026:2809-1: moderate: Security update for systemd

OPENSUSE-SECURITY-UPDATES <[email protected]>
Newsgroups gmane.linux.suse.security.announce
Message-ID <178360024168.699.9803710072463640355@5ed4f61072e9> 
# Security update for systemd

Announcement ID: SUSE-SU-2026:2809-1  
Release Date: 2026-07-09T06:08:36Z  
Rating: moderate  
References:

  * bsc#1261400
  * bsc#1261982
  * bsc#1261983
  * bsc#1267647

  
Cross-References:

  * CVE-2026-40226

  
CVSS scores:

  * CVE-2026-40226 ( SUSE ):  7.1
    CVSS:4.0/AV:L/AC:H/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-40226 ( SUSE ):  6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-40226 ( NVD ):  6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

  
Affected Products:

  * openSUSE Leap 15.4
  * SUSE Linux Enterprise Micro 5.3
  * SUSE Linux Enterprise Micro 5.4
  * SUSE Linux Enterprise Micro 5.5
  * SUSE Linux Enterprise Micro for Rancher 5.3
  * SUSE Linux Enterprise Micro for Rancher 5.4

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

## Description:

This update for systemd fixes the following issue

Security issues fixed:

  * CVE-2026-40226: nspawn: escape-to-host via malformed optional config file
    (bsc#1261400).

Other updates and bugfixes:

  * Import commit 37508f8ec1 (bsc#1267647).
  * Import commit c7530fbea3 (bsc#1261982 bsc#1261983).
  * Import commit 5c4ed461a7 (bsc#1261982).
  * Import commit 4b963df038 (bsc#1261983).

## Special Instructions and Notes:

  * Please reboot the system after installing this update.

## 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 Micro for Rancher 5.4  
    zypper in -t patch SUSE-SLE-Micro-5.4-2026-2809=1

  * SUSE Linux Enterprise Micro 5.4  
    zypper in -t patch SUSE-SLE-Micro-5.4-2026-2809=1

  * SUSE Linux Enterprise Micro for Rancher 5.3  
    zypper in -t patch SUSE-SLE-Micro-5.3-2026-2809=1

  * SUSE Linux Enterprise Micro 5.3  
    zypper in -t patch SUSE-SLE-Micro-5.3-2026-2809=1

  * SUSE Linux Enterprise Micro 5.5  
    zypper in -t patch SUSE-SLE-Micro-5.5-2026-2809=1

  * openSUSE Leap 15.4  
    zypper in -t patch SUSE-2026-2809=1

## Package List:

  * SUSE Linux Enterprise Micro for Rancher 5.3 (aarch64 s390x x86_64)
    * systemd-journal-remote-debuginfo-249.17-150400.8.64.1
    * udev-249.17-150400.8.64.1
    * systemd-sysvinit-249.17-150400.8.64.1
    * systemd-debuginfo-249.17-150400.8.64.1
    * systemd-debugsource-249.17-150400.8.64.1
    * systemd-container-249.17-150400.8.64.1
    * systemd-container-debuginfo-249.17-150400.8.64.1
    * systemd-journal-remote-249.17-150400.8.64.1
    * udev-debuginfo-249.17-150400.8.64.1
    * libsystemd0-249.17-150400.8.64.1
    * libudev1-debuginfo-249.17-150400.8.64.1
    * libsystemd0-debuginfo-249.17-150400.8.64.1
    * libudev1-249.17-150400.8.64.1
    * systemd-249.17-150400.8.64.1
  * SUSE Linux Enterprise Micro 5.3 (aarch64 s390x x86_64)
    * systemd-journal-remote-debuginfo-249.17-150400.8.64.1
    * udev-249.17-150400.8.64.1
    * systemd-sysvinit-249.17-150400.8.64.1
    * systemd-debuginfo-249.17-150400.8.64.1
    * systemd-debugsource-249.17-150400.8.64.1
    * systemd-container-249.17-150400.8.64.1
    * systemd-container-debuginfo-249.17-150400.8.64.1
    * systemd-journal-remote-249.17-150400.8.64.1
    * udev-debuginfo-249.17-150400.8.64.1
    * libsystemd0-249.17-150400.8.64.1
    * libudev1-debuginfo-249.17-150400.8.64.1
    * libsystemd0-debuginfo-249.17-150400.8.64.1
    * libudev1-249.17-150400.8.64.1
    * systemd-249.17-150400.8.64.1
  * openSUSE Leap 15.4 (aarch64 i586 ppc64le s390x x86_64)
    * systemd-sysvinit-249.17-150400.8.64.1
    * systemd-debugsource-249.17-150400.8.64.1
    * systemd-mini-doc-249.17-150400.8.64.1
    * systemd-container-debuginfo-249.17-150400.8.64.1
    * libudev-mini1-249.17-150400.8.64.1
    * nss-systemd-249.17-150400.8.64.1
    * systemd-mini-249.17-150400.8.64.1
    * systemd-journal-remote-249.17-150400.8.64.1
    * udev-mini-debuginfo-249.17-150400.8.64.1
    * udev-debuginfo-249.17-150400.8.64.1
    * libudev-mini1-debuginfo-249.17-150400.8.64.1
    * systemd-portable-249.17-150400.8.64.1
    * libsystemd0-debuginfo-249.17-150400.8.64.1
    * libsystemd0-mini-debuginfo-249.17-150400.8.64.1
    * systemd-experimental-249.17-150400.8.64.1
    * systemd-testsuite-249.17-150400.8.64.1
    * systemd-debuginfo-249.17-150400.8.64.1
    * systemd-mini-devel-249.17-150400.8.64.1
    * systemd-coredump-debuginfo-249.17-150400.8.64.1
    * systemd-mini-container-debuginfo-249.17-150400.8.64.1
    * systemd-network-debuginfo-249.17-150400.8.64.1
    * systemd-mini-debuginfo-249.17-150400.8.64.1
    * libudev1-debuginfo-249.17-150400.8.64.1
    * libsystemd0-249.17-150400.8.64.1
    * systemd-devel-249.17-150400.8.64.1
    * nss-systemd-debuginfo-249.17-150400.8.64.1
    * systemd-experimental-debuginfo-249.17-150400.8.64.1
    * systemd-249.17-150400.8.64.1
    * udev-mini-249.17-150400.8.64.1
    * systemd-journal-remote-debuginfo-249.17-150400.8.64.1
    * systemd-testsuite-debuginfo-249.17-150400.8.64.1
    * systemd-mini-debugsource-249.17-150400.8.64.1
    * systemd-mini-sysvinit-249.17-150400.8.64.1
    * systemd-coredump-249.17-150400.8.64.1
    * nss-myhostname-249.17-150400.8.64.1
    * systemd-doc-249.17-150400.8.64.1
    * udev-249.17-150400.8.64.1
    * systemd-container-249.17-150400.8.64.1
    * systemd-mini-container-249.17-150400.8.64.1
    * nss-myhostname-debuginfo-249.17-150400.8.64.1
    * systemd-portable-debuginfo-249.17-150400.8.64.1
    * libsystemd0-mini-249.17-150400.8.64.1
    * systemd-network-249.17-150400.8.64.1
    * libudev1-249.17-150400.8.64.1
  * openSUSE Leap 15.4 (x86_64)
    * nss-myhostname-32bit-debuginfo-249.17-150400.8.64.1
    * libudev1-32bit-249.17-150400.8.64.1
    * libudev1-32bit-debuginfo-249.17-150400.8.64.1
    * nss-myhostname-32bit-249.17-150400.8.64.1
    * systemd-32bit-249.17-150400.8.64.1
    * systemd-32bit-debuginfo-249.17-150400.8.64.1
    * libsystemd0-32bit-debuginfo-249.17-150400.8.64.1
    * libsystemd0-32bit-249.17-150400.8.64.1
  * openSUSE Leap 15.4 (aarch64_ilp32)
    * nss-myhostname-64bit-debuginfo-249.17-150400.8.64.1
    * systemd-64bit-debuginfo-249.17-150400.8.64.1
    * libudev1-64bit-249.17-150400.8.64.1
    * systemd-64bit-249.17-150400.8.64.1
    * nss-myhostname-64bit-249.17-150400.8.64.1
    * libudev1-64bit-debuginfo-249.17-150400.8.64.1
    * libsystemd0-64bit-249.17-150400.8.64.1
    * libsystemd0-64bit-debuginfo-249.17-150400.8.64.1
  * openSUSE Leap 15.4 (noarch)
    * systemd-lang-249.17-150400.8.64.1
  * SUSE Linux Enterprise Micro 5.5 (aarch64 ppc64le s390x x86_64)
    * systemd-journal-remote-debuginfo-249.17-150400.8.64.1
    * udev-249.17-150400.8.64.1
    * systemd-sysvinit-249.17-150400.8.64.1
    * systemd-debuginfo-249.17-150400.8.64.1
    * systemd-container-249.17-150400.8.64.1
    * systemd-debugsource-249.17-150400.8.64.1
    * systemd-container-debuginfo-249.17-150400.8.64.1
    * systemd-journal-remote-249.17-150400.8.64.1
    * udev-debuginfo-249.17-150400.8.64.1
    * libsystemd0-249.17-150400.8.64.1
    * libudev1-debuginfo-249.17-150400.8.64.1
    * libsystemd0-debuginfo-249.17-150400.8.64.1
    * libudev1-249.17-150400.8.64.1
    * systemd-249.17-150400.8.64.1
  * SUSE Linux Enterprise Micro for Rancher 5.4 (aarch64 s390x x86_64)
    * systemd-journal-remote-debuginfo-249.17-150400.8.64.1
    * udev-249.17-150400.8.64.1
    * systemd-sysvinit-249.17-150400.8.64.1
    * systemd-container-249.17-150400.8.64.1
    * systemd-debugsource-249.17-150400.8.64.1
    * systemd-debuginfo-249.17-150400.8.64.1
    * systemd-container-debuginfo-249.17-150400.8.64.1
    * systemd-journal-remote-249.17-150400.8.64.1
    * udev-debuginfo-249.17-150400.8.64.1
    * libsystemd0-249.17-150400.8.64.1
    * libudev1-debuginfo-249.17-150400.8.64.1
    * libsystemd0-debuginfo-249.17-150400.8.64.1
    * libudev1-249.17-150400.8.64.1
    * systemd-249.17-150400.8.64.1
  * SUSE Linux Enterprise Micro 5.4 (aarch64 s390x x86_64)
    * systemd-journal-remote-debuginfo-249.17-150400.8.64.1
    * udev-249.17-150400.8.64.1
    * systemd-sysvinit-249.17-150400.8.64.1
    * systemd-container-249.17-150400.8.64.1
    * systemd-debugsource-249.17-150400.8.64.1
    * systemd-debuginfo-249.17-150400.8.64.1
    * systemd-container-debuginfo-249.17-150400.8.64.1
    * systemd-journal-remote-249.17-150400.8.64.1
    * udev-debuginfo-249.17-150400.8.64.1
    * libsystemd0-249.17-150400.8.64.1
    * libudev1-debuginfo-249.17-150400.8.64.1
    * libsystemd0-debuginfo-249.17-150400.8.64.1
    * libudev1-249.17-150400.8.64.1
    * systemd-249.17-150400.8.64.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-40226.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1261400
  * https://bugzilla.suse.com/show_bug.cgi?id=1261982
  * https://bugzilla.suse.com/show_bug.cgi?id=1261983
  * https://bugzilla.suse.com/show_bug.cgi?id=1267647
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