Description
An issue was discovered in button_open in login/logind-button.c in systemd before 243. When executing the udevadm trigger command, a memory leak may occur.
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 | 243-5 | — |
| Debian 13 | systemd | 243-5 | — |
| Debian 12 | systemd | 243-5 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | systemd | 237-3ubuntu10.38 | USN-4269-1 |
| Ubuntu 16.04 LTS | systemd | 229-4ubuntu21.27 | USN-4269-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 14.04 LTS | systemd | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8 | systemd +7 | 239-40.el8 | RHSA-2020:4553 |
| RHEL 7 | systemd +9 | 219-78.el7 | RHSA-2020:4007 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP1 | systemd | 234-24.39.1 | SUSE-SU-2020:0335-1 |
| SLES 15 | systemd | 234-24.39.1 | SUSE-SU-2020:0335-1 |
| SLES 12 SP5 | systemd | 228-157.12.5 | SUSE-SU-2020:1828-1 |
| SLES 12 SP4 | systemd | 228-150.86.3 | SUSE-SU-2020:1842-1 |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 15 | systemd | 234-24.39.1 | SUSE-SU-2020:0335-1 |
| SLES for SAP 12 SP5 | systemd | 228-157.12.5 | SUSE-SU-2020:1828-1 |
| SLES for SAP 12 SP4 | systemd | 228-150.86.3 | SUSE-SU-2020:1842-1 |
| SLE HPC 15 | systemd | 234-24.39.1 | SUSE-SU-2020:0335-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | systemd | 249.4-2.2 | openSUSE-SU-2024:11420-1 |
| openSUSE Leap 15.1 | systemd +1 | 234-lp151.26.7.1 | openSUSE-SU-2020:0208-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | systemd +9 | 219-78.amzn2.0.14 | ALAS2-2021-1647 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 8 | systemd +7 | 239-40.0.1.el8 | ELSA-2020-4553 |
| Oracle Linux 7 | systemd +9 | 219-78.0.1.el7 | ELSA-2020-4007 |
Advisories 12
- RHSA-2020:4007 Red Hat Security Advisory: systemd security and bug fix update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- USN-4269-1 systemd vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026
- openSUSE-SU-2020:0208-1 Security update for systemd SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:0335-1 Security update for systemd SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:1828-1 Security update for systemd SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:1842-1 Security update for systemd SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:11420-1 libsystemd0-249.4-2.2 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2026-0012 Red Hat Enterprise Linux: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jan 5, 2026
- RHSA-2020:4553 Red Hat Security Advisory: systemd security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Nov 22, 2025
- ALAS2-2021-1647 Moderate: systemd security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Sep 23, 2025
- ELSA-2020-4553 Low: systemd security, bug fix, and enhancement update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Nov 10, 2020
- ELSA-2020-4007 Low: systemd security and bug fix update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Oct 6, 2020
References
- https://github.com/systemd/systemd/commit/b2774a3ae692113e1f47a336a6c09bac9cfb49ad
- https://security.netapp.com/advisory/ntap-20200210-0002/
- openSUSE-SU-2020:0208 vendor-advisory
- USN-4269-1 vendor-advisory
- FEDORA-2020-f8e267d6d0 vendor-advisory