Upstream information

CVE-2026-40226 at MITRE

Description

In nspawn in systemd 233 through 259 before 260, an escape-to-host action can occur via a crafted optional config file.

SUSE information

Overall state of this security issue: Does not affect SUSE products

SUSE Bugzilla entry: 1261400 [IN_PROGRESS]

No SUSE Security Announcements cross referenced.

List of packages in QA

Product(s) Package(s)
SUSE Linux Enterprise Micro 5.2
  • libsystemd0 >= 246.16-150300.7.70.1
  • libudev1 >= 246.16-150300.7.70.1
  • systemd >= 246.16-150300.7.70.1
  • systemd-container >= 246.16-150300.7.70.1
  • systemd-journal-remote >= 246.16-150300.7.70.1
  • systemd-sysvinit >= 246.16-150300.7.70.1
  • udev >= 246.16-150300.7.70.1
SUSE Linux Enterprise Micro 5.3
  • libsystemd0 >= 249.17-150400.8.60.1
  • libudev1 >= 249.17-150400.8.60.1
  • systemd >= 249.17-150400.8.60.1
  • systemd-container >= 249.17-150400.8.60.1
  • systemd-journal-remote >= 249.17-150400.8.60.1
  • systemd-sysvinit >= 249.17-150400.8.60.1
  • udev >= 249.17-150400.8.60.1
SUSE Linux Enterprise Micro 5.4
  • libsystemd0 >= 249.17-150400.8.60.1
  • libudev1 >= 249.17-150400.8.60.1
  • systemd >= 249.17-150400.8.60.1
  • systemd-container >= 249.17-150400.8.60.1
  • systemd-journal-remote >= 249.17-150400.8.60.1
  • systemd-sysvinit >= 249.17-150400.8.60.1
  • udev >= 249.17-150400.8.60.1
SUSE Linux Enterprise Micro 5.5
  • libsystemd0 >= 249.17-150400.8.60.1
  • libudev1 >= 249.17-150400.8.60.1
  • systemd >= 249.17-150400.8.60.1
  • systemd-container >= 249.17-150400.8.60.1
  • systemd-journal-remote >= 249.17-150400.8.60.1
  • systemd-sysvinit >= 249.17-150400.8.60.1
  • udev >= 249.17-150400.8.60.1
SUSE Linux Enterprise Module for Basesystem 15 SP7
  • libsystemd0 >= 254.27-150600.4.67.1
  • libsystemd0-32bit >= 254.27-150600.4.67.1
  • libudev1 >= 254.27-150600.4.67.1
  • libudev1-32bit >= 254.27-150600.4.67.1
  • systemd >= 254.27-150600.4.67.1
  • systemd-32bit >= 254.27-150600.4.67.1
  • systemd-container >= 254.27-150600.4.67.1
  • systemd-coredump >= 254.27-150600.4.67.1
  • systemd-devel >= 254.27-150600.4.67.1
  • systemd-doc >= 254.27-150600.4.67.1
  • systemd-journal-remote >= 254.27-150600.4.67.1
  • systemd-lang >= 254.27-150600.4.67.1
  • systemd-resolved >= 254.27-150600.4.67.1
  • systemd-sysvcompat >= 254.27-150600.4.67.1
  • udev >= 254.27-150600.4.67.1
SUSE Linux Enterprise Server 15 SP7
  • libsystemd0 >= 254.27-150600.4.67.1
  • libsystemd0-32bit >= 254.27-150600.4.67.1
  • libudev1 >= 254.27-150600.4.67.1
  • libudev1-32bit >= 254.27-150600.4.67.1
  • systemd >= 254.27-150600.4.67.1
  • systemd-32bit >= 254.27-150600.4.67.1
  • systemd-container >= 254.27-150600.4.67.1
  • systemd-coredump >= 254.27-150600.4.67.1
  • systemd-devel >= 254.27-150600.4.67.1
  • systemd-doc >= 254.27-150600.4.67.1
  • systemd-journal-remote >= 254.27-150600.4.67.1
  • systemd-lang >= 254.27-150600.4.67.1
  • systemd-resolved >= 254.27-150600.4.67.1
  • systemd-sysvcompat >= 254.27-150600.4.67.1
  • udev >= 254.27-150600.4.67.1
SUSE Linux Enterprise Desktop 15 SP7
  • libsystemd0 >= 254.27-150600.4.67.1
  • libsystemd0-32bit >= 254.27-150600.4.67.1
  • libudev1 >= 254.27-150600.4.67.1
  • libudev1-32bit >= 254.27-150600.4.67.1
  • systemd >= 254.27-150600.4.67.1
  • systemd-32bit >= 254.27-150600.4.67.1
  • systemd-container >= 254.27-150600.4.67.1
  • systemd-coredump >= 254.27-150600.4.67.1
  • systemd-devel >= 254.27-150600.4.67.1
  • systemd-doc >= 254.27-150600.4.67.1
  • systemd-journal-remote >= 254.27-150600.4.67.1
  • systemd-lang >= 254.27-150600.4.67.1
  • systemd-resolved >= 254.27-150600.4.67.1
  • systemd-sysvcompat >= 254.27-150600.4.67.1
  • udev >= 254.27-150600.4.67.1
SUSE Linux Enterprise Server for SAP Applications 15 SP7
  • libsystemd0 >= 254.27-150600.4.67.1
  • libsystemd0-32bit >= 254.27-150600.4.67.1
  • libudev1 >= 254.27-150600.4.67.1
  • libudev1-32bit >= 254.27-150600.4.67.1
  • systemd >= 254.27-150600.4.67.1
  • systemd-32bit >= 254.27-150600.4.67.1
  • systemd-container >= 254.27-150600.4.67.1
  • systemd-coredump >= 254.27-150600.4.67.1
  • systemd-devel >= 254.27-150600.4.67.1
  • systemd-doc >= 254.27-150600.4.67.1
  • systemd-journal-remote >= 254.27-150600.4.67.1
  • systemd-lang >= 254.27-150600.4.67.1
  • systemd-resolved >= 254.27-150600.4.67.1
  • systemd-sysvcompat >= 254.27-150600.4.67.1
  • udev >= 254.27-150600.4.67.1
SUSE Linux Enterprise High Performance Computing 15 SP7
  • libsystemd0 >= 254.27-150600.4.67.1
  • libsystemd0-32bit >= 254.27-150600.4.67.1
  • libudev1 >= 254.27-150600.4.67.1
  • libudev1-32bit >= 254.27-150600.4.67.1
  • systemd >= 254.27-150600.4.67.1
  • systemd-32bit >= 254.27-150600.4.67.1
  • systemd-container >= 254.27-150600.4.67.1
  • systemd-coredump >= 254.27-150600.4.67.1
  • systemd-devel >= 254.27-150600.4.67.1
  • systemd-doc >= 254.27-150600.4.67.1
  • systemd-journal-remote >= 254.27-150600.4.67.1
  • systemd-lang >= 254.27-150600.4.67.1
  • systemd-resolved >= 254.27-150600.4.67.1
  • systemd-sysvcompat >= 254.27-150600.4.67.1
  • udev >= 254.27-150600.4.67.1
SUSE Linux Enterprise Module for Package Hub 15 SP7
  • systemd-network >= 254.27-150600.4.67.1
  • systemd-networkd >= 254.27-150600.4.67.1

Status of this issue by product and package

Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification. The updates are grouped by state of their lifecycle. SUSE product lifecycles are documented on the lifecycle page.

Product(s) Source package State
Products under general support and receiving all security fixes.
SUSE Linux Enterprise Desktop 15 SP7 systemd In progress
SUSE Linux Enterprise High Performance Computing 15 SP7 systemd In progress
SUSE Linux Enterprise Micro 5.3 systemd In progress
SUSE Linux Enterprise Micro 5.4 systemd In progress
SUSE Linux Enterprise Micro 5.5 systemd In progress
SUSE Linux Enterprise Module for Basesystem 15 SP7 systemd In progress
SUSE Linux Enterprise Module for Package Hub 15 SP7 systemd In progress
SUSE Linux Enterprise Server 15 SP7 systemd In progress
SUSE Linux Enterprise Server 16.0 systemd In progress
SUSE Linux Enterprise Server for SAP Applications 15 SP7 systemd In progress
SUSE Linux Enterprise Server for SAP applications 16.0 systemd In progress
SUSE Linux Micro 6.2 systemd In progress
Products past their end of life and not receiving proactive updates anymore.
SUSE Linux Enterprise Micro 5.2 systemd In progress
Products at an unknown state of their lifecycle.
SUSE Linux Micro Extras 6.2 systemd In progress

SUSE Timeline for this CVE

CVE page created: Fri Apr 3 09:15:25 2026
CVE page last modified: Fri May 8 12:08:58 2026