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CVE-2026-15060

systemd-machined: unprivileged users can terminate arbitrary processes

When systemd-machined >= v259 (or v258 with a custom `polkit` policy that allows `register-machine` access) is running on a desktop system, an unprivileged user logged in a desktop graphical session can kill arbitrary processes, even privileged ones. - versions older than v259 are not affected, unless unprivileged access is granted for the `register-machine` polkit action via a local, custom policy config file - versions older than v258 are not affected - unrelated to the systemd service manager (pid 1 or user session managers) - systemd-machined is not typically installed by default, and is typically in an optional, separate package (e.g.: systemd-container) - terminal-only or remote sessions (e.g.: ssh) are not affected

CVSS 3.1 · 4.7 Medium EPSS < 1% KEV · Not listed
Vendors
Systemd
Products
Systemd-machined
CVE-2026-15059

systemd-oomd: unprivileged users can terminate arbitrary processes

Local unprivileged users can terminate arbitrary local processes via a systemd-oomd IPC API due to a missing path traversal validation.

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
Systemd
Products
Systemd
CVE-2026-16742

systemd-homed: local privilege escalation via missing home-record signature verification on the authenticate path

systemd-homed contains a local privilege escalation bug via arbitrary system group addition to a local, logged in, homed-managed user

CVSS 3.1 · 6.7 Medium EPSS < 1% KEV · Not listed
Vendors
Systemd
Products
Systemd
CVE-2026-16552

systemd: systemd-tmpfiles symlink-redirected arbitrary file overwrite via a CHASE_SAFE root-to-unprivileged ownership transition bypass

The reported issue is invalid, as it requires root privileges to reproduce, and it is out of scope of the threat model of the affected component.

CVSS 3.1 · 6.3 Medium EPSS n/a KEV · Not listed
Vendors
Redhat Systemd
Products
Enterprise Linux Hardened Images Openshift Container Platform and 1 more
CVE-2026-40228

systemd: systemd-journald: Unintended output to user terminals via logger command

In systemd 259, systemd-journald can send ANSI escape sequences to the terminals of arbitrary users when a "logger -p emerg" command is executed, if ForwardToWall=yes is set.

CVSS 3.1 · 2.9 Low EPSS < 1% KEV · Not listed
Vendors
Systemd Systemd Project
Products
Systemd Systemd
CVE-2026-40223

systemd: systemd: Local unprivileged user can cause Denial of Service

In systemd 258 before 260, a local unprivileged user can trigger an assert when a Delegate=yes and User=<unset> unit exists and is running.

CVSS 3.1 · 4.7 Medium EPSS < 1% KEV · Not listed
Vendors
Systemd Systemd Project
Products
Systemd Systemd
CVE-2026-40224

systemd: systemd-machined: Local privilege escalation via varlink

In systemd 259 before 260, there is local privilege escalation in systemd-machined because varlink can be used to reach the root namespace.

CVSS 3.1 · 6.7 Medium EPSS < 1% KEV · Not listed
Vendors
Systemd Systemd Project
Products
Systemd Systemd
CVE-2026-40225

systemd: udev in systemd: Privilege escalation via malicious hardware devices and unsanitized kernel output

In udev in systemd before 260, local root execution can occur via malicious hardware devices and unsanitized kernel output.

CVSS 3.1 · 6.4 Medium EPSS < 1% KEV · Not listed
Vendors
Systemd Systemd Project
Products
Systemd Systemd
CVE-2026-40226

systemd: systemd nspawn: Escape-to-host action via crafted config file

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

CVSS 3.1 · 6.4 Medium EPSS < 1% KEV · Not listed
Vendors
Systemd Systemd Project
Products
Systemd Systemd
CVE-2026-29111

systemd: Local unprivileged user can trigger an assert

systemd, a system and service manager, (as PID 1) hits an assert and freezes execution when an unprivileged IPC API call is made with spurious data. On version v249 and older the effect is not an assert, but stack overwriting, with the attacker controlled content. From version v250 and newer this is not possible as the safety check causes an assert instead. This IPC call was added in v239, so versions older than that are not affected. Versions 260-rc1, 259.2, 258.5, and 257.11 contain patches. No known workarounds are available.

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
Systemd Systemd Project
Products
Systemd Systemd
CVE-2026-40227

systemd: systemd: Denial of Service via malicious IPC API call with null element

In systemd 260 before 261, a local unprivileged user can trigger an assert via an IPC API call with an array or map that has a null element.

CVSS 3.1 · 6.2 Medium EPSS < 1% KEV · Not listed
Vendors
Systemd Systemd Project
Products
Systemd Systemd