CVE-2026-40226

EUVD-2026-21400
In nspawn in systemd 233 through 259 before 260, an escape-to-host action can occur via a crafted optional config file.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.4 MEDIUM
LOCAL
HIGH
HIGH
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 0.06%
Affected Products (NVD)
VendorProductVersion
systemd_projectsystemd
233 ≤
𝑥
< 257.12
systemd_projectsystemd
258 ≤
𝑥
< 258.6
systemd_projectsystemd
259 ≤
𝑥
< 259.4
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
systemd
bookworm
252.39-1~deb12u2
fixed
bookworm (security)
vulnerable
bullseye
vulnerable
bullseye (security)
247.3-7+deb11u8
fixed
forky
261.2-1
fixed
sid
261.2-1
fixed
trixie
257.13-1~deb13u1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
systemd
bionic
needs-triage
focal
needs-triage
jammy
Fixed 249.11-0ubuntu3.21
released
noble
Fixed 255.4-1ubuntu8.16
released
questing
Fixed 257.9-0ubuntu2.5
released
resolute
not-affected
trusty
needs-triage
xenial
needs-triage
openSUSE logo
openSUSE / SLES Releases
openSUSE Product
Release
libsystemd0
suse enterprise desktop 15 SP7
254.27-150600.4.71.2
fixed
suse enterprise sap 15 SP7
254.27-150600.4.71.2
fixed
suse enterprise server 15 SP4
249.17-150400.8.64.1
fixed
suse enterprise server 15 SP7
254.27-150600.4.71.2
fixed
libsystemd0-32bit
suse enterprise desktop 15 SP7
254.27-150600.4.71.2
fixed
suse enterprise sap 15 SP7
254.27-150600.4.71.2
fixed
suse enterprise server 15 SP4
249.17-150400.8.64.1
fixed
suse enterprise server 15 SP7
254.27-150600.4.71.2
fixed
libudev1
suse enterprise desktop 15 SP7
254.27-150600.4.71.2
fixed
suse enterprise sap 15 SP7
254.27-150600.4.71.2
fixed
suse enterprise server 15 SP4
249.17-150400.8.64.1
fixed
suse enterprise server 15 SP7
254.27-150600.4.71.2
fixed
libudev1-32bit
suse enterprise desktop 15 SP7
254.27-150600.4.71.2
fixed
suse enterprise sap 15 SP7
254.27-150600.4.71.2
fixed
suse enterprise server 15 SP4
249.17-150400.8.64.1
fixed
suse enterprise server 15 SP7
254.27-150600.4.71.2
fixed
systemd
suse enterprise desktop 15 SP7
254.27-150600.4.71.2
fixed
suse enterprise sap 15 SP7
254.27-150600.4.71.2
fixed
suse enterprise server 15 SP4
249.17-150400.8.64.1
fixed
suse enterprise server 15 SP7
254.27-150600.4.71.2
fixed
systemd-32bit
suse enterprise desktop 15 SP7
254.27-150600.4.71.2
fixed
suse enterprise sap 15 SP7
254.27-150600.4.71.2
fixed
suse enterprise server 15 SP4
249.17-150400.8.64.1
fixed
suse enterprise server 15 SP7
254.27-150600.4.71.2
fixed
systemd-container
suse enterprise desktop 15 SP7
254.27-150600.4.71.2
fixed
suse enterprise sap 15 SP7
254.27-150600.4.71.2
fixed
suse enterprise server 15 SP4
249.17-150400.8.64.1
fixed
suse enterprise server 15 SP7
254.27-150600.4.71.2
fixed
systemd-coredump
suse enterprise desktop 15 SP7
254.27-150600.4.71.2
fixed
suse enterprise sap 15 SP7
254.27-150600.4.71.2
fixed
suse enterprise server 15 SP4
249.17-150400.8.64.1
fixed
suse enterprise server 15 SP7
254.27-150600.4.71.2
fixed
systemd-devel
suse enterprise desktop 15 SP7
254.27-150600.4.71.2
fixed
suse enterprise sap 15 SP7
254.27-150600.4.71.2
fixed
suse enterprise server 15 SP4
249.17-150400.8.64.1
fixed
suse enterprise server 15 SP7
254.27-150600.4.71.2
fixed
systemd-doc
suse enterprise desktop 15 SP7
254.27-150600.4.71.2
fixed
suse enterprise sap 15 SP7
254.27-150600.4.71.2
fixed
suse enterprise server 15 SP4
249.17-150400.8.64.1
fixed
suse enterprise server 15 SP7
254.27-150600.4.71.2
fixed
systemd-journal-remote
suse enterprise desktop 15 SP7
254.27-150600.4.71.2
fixed
suse enterprise sap 15 SP7
254.27-150600.4.71.2
fixed
suse enterprise server 15 SP7
254.27-150600.4.71.2
fixed
systemd-lang
suse enterprise desktop 15 SP7
254.27-150600.4.71.2
fixed
suse enterprise sap 15 SP7
254.27-150600.4.71.2
fixed
suse enterprise server 15 SP4
249.17-150400.8.64.1
fixed
suse enterprise server 15 SP7
254.27-150600.4.71.2
fixed
systemd-resolved
suse enterprise desktop 15 SP7
254.27-150600.4.71.2
fixed
suse enterprise sap 15 SP7
254.27-150600.4.71.2
fixed
suse enterprise server 15 SP7
254.27-150600.4.71.2
fixed
systemd-sysvcompat
suse enterprise desktop 15 SP7
254.27-150600.4.71.2
fixed
suse enterprise sap 15 SP7
254.27-150600.4.71.2
fixed
suse enterprise server 15 SP7
254.27-150600.4.71.2
fixed
systemd-sysvinit
suse enterprise server 15 SP4
249.17-150400.8.64.1
fixed
udev
suse enterprise desktop 15 SP7
254.27-150600.4.71.2
fixed
suse enterprise sap 15 SP7
254.27-150600.4.71.2
fixed
suse enterprise server 15 SP4
249.17-150400.8.64.1
fixed
suse enterprise server 15 SP7
254.27-150600.4.71.2
fixed
Azure Linux logo
Azure Linux Releases
Azure Package
Release
systemd
Azure Linux 3.0
0:255-30.azl3
fixed