CVE-2019-20386
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.
02 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.
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.42% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 36.5% of scored records. A rank, not a probability.
- NVD base score
- 2.4 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Low. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2020-01-21 05:12Z6 YR AGO
- Last updated
- 2025-06-09 15:40Z1 YR AGO
- Reserved
- 2020-01-21
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 5.1)
- CNA CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
- Weaknesses
- Data version
- 5.1
- Document digest
- 327fc75fe531dacebdadfca1d30b08c7ad79977cc21e698e7c9e6b09c307ab08
05 Affected products
06 References
- github.comhttps://github.com/systemd/systemd/commit/b2774a3ae692113e1f47a336a6c09bac9cfb49ad
- security.netapp.comhttps://security.netapp.com/advisory/ntap-20200210-0002/
- lists.opensuse.orgopenSUSE-SU-2020:0208http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00014.html
- usn.ubuntu.comUSN-4269-1https://usn.ubuntu.com/4269-1/
- lists.fedoraproject.orgFEDORA-2020-f8e267d6d0https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HZPCOMW5X6IZZXASCDD2CNW2DLF3YADC/
07 Fixed in
Debian 12
- systemd Fixed in 243-5
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- systemd Fixed in 243-5
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- systemd Fixed in 243-5
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- systemd Fixed in 229-4ubuntu21.27
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 18.04 LTS
- systemd Fixed in 237-3ubuntu10.38
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 14.04 LTS
- systemd No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.