5.1

CVE-2019-20386: canonical ubuntu_linux

Modified
AliasesSUSE-SU-2020:1828-1SUSE-SU-2020:1842-1RHSA-2020:4007
Published 21-01-2020Last modified 09-06-2025

Vulnerability summary

CVE-2019-20386 is a medium (CVSS 5.1) vulnerability in canonical ubuntu_linux. EPSS estimates a 0.43% chance of exploitation in the next 30 days, higher than 36.8% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 5.1, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.1/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.43%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 5 · Related 5

Timeline

  1. 21-01-2020
    PublishedVulnerability first disclosed.
  2. 09-06-2025
    Last modifiedVulnerability 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

7 scores · 6 sources · 2 versions

EPSS trend

Probability

0.43%

Chance of exploitation in the next 30 days

Percentile

37%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.43% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: local access, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Redhat23 products
  • libgudev1< 0:219-78.el7
  • libgudev1-devel< 0:219-78.el7
  • systemd< 0:219-78.el7 | < 0:239-40.el8
  • systemd-container< 0:239-40.el8
  • systemd-container-debuginfo< 0:239-40.el8
Suse6 products
  • systemd&distro=SUSE Linux Enterprise Server 12 SP4< 228-150.86.3
  • systemd&distro=SUSE Linux Enterprise Server 12 SP5< 228-157.12.5
  • systemd&distro=SUSE Linux Enterprise Server for SAP Applications 12 SP4< 228-150.86.3
  • systemd&distro=SUSE Linux Enterprise Server for SAP Applications 12 SP5< 228-157.12.5
  • systemd&distro=SUSE Linux Enterprise Software Development Kit 12 SP4< 228-150.86.3
Chainguard5 products
  • py3-systemdAll versions (No fix recorded)
  • py3.10-systemdAll versions (No fix recorded)
  • py3.11-systemdAll versions (No fix recorded)
  • py3.12-systemdAll versions (No fix recorded)
  • py3.13-systemdAll versions (No fix recorded)
Netapp3 products
Canonical1 product
Debian1 product
  • systemd< 243-5
Fedoraproject1 product
Opensuse1 product
Systemd_project1 product
Ubuntu1 product
  • systemdAll versions (No fix recorded) | < 229-4ubuntu21.27 | < 237-3ubuntu10.38

10 vendors · 43 products

References

72 links
Show all 72 references