CVE-2019-20386
Advisory lineage Upstream: 0 Downstream: 11
Modified
Published: 21 Jan 2020, 05:12
Last modified:09 Jun 2025, 15:40
Vulnerability Summary
Overall Risk (default)
low
20/100 CVSS Score
5.1 MEDIUM
v3.1 (cve.org)
EPSS Score
0.15% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
21 Jan 2020, 05:12
Published
Vulnerability first disclosed
09 Jun 2025, 15:40
Last Modified
Vulnerability information updated
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.
CVSS Metrics
- v3.1•MEDIUM•Score: 5.1CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
- v3.1•LOW•Score: 2.4CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- v2.0•LOW•Score: 2.1AV:L/AC:L/Au:N/C:N/I:N/A:P
EPSS Trends
Current EPSS score: 0.15%• Percentile: 36%
Techniques & Countermeasures
- CWE-401•Missing Release of Memory after Effective Lifetime
The product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse.
Affected Systems
- canonical•ubuntu_linux
16.04 | 18.04 | 19.10
- fedoraproject•fedora
30
- netapp•active_iq_unified_manager
na
- netapp•cloud_backup
na
- netapp•steelstore_cloud_integrated_storage
na
- opensuse•leap
15.1
- systemd_project•systemd
< 243
References (5)
- https://github.com/systemd/systemd/commit/b2774a3ae692113e1f47a336a6c09bac9cfb49ad
- https://security.netapp.com/advisory/ntap-20200210-0002/
- http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00014.html
- https://usn.ubuntu.com/4269-1/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HZPCOMW5X6IZZXASCDD2CNW2DLF3YADC/