Description
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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| systemd | systemd | 258 – < 260 | 260 |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | systemd | 260~rc1-1 | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Hardened Images 1 | systemd +20 | 260.1-2.1.hum1 | RHSA-2026:7299 |
Advisories 2
- RHSA-2026:7299 Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update Red Hat Security Advisories (RHSA) · Oct 15, 2026
- WID-SEC-2026-0831 systemd: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 14, 2026