CVE-2019-20386: canonical ubuntu_linux
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.
Not severe (CVSS 5.1, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 5 · Related 5Timeline
- 21-01-2020PublishedVulnerability first disclosed.
- 09-06-2025Last 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- OSV · Red hatEcosystem advisory · calculated2.4LowCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LDiffers
- OSV · UbuntuEcosystem advisory · calculated5.1MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
- OSV · DebianEcosystem advisory · calculated2.4LowCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LDiffers
- OSV · ChainguardEcosystem advisory · calculated2.4LowCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LDiffers
- NVDNIST2.4LowCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LDiffers
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
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
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
- ubuntu_linuxEOL16.04 | 18.04 | 19.10
Debian1 product
- systemd< 243-5
Fedoraproject1 product
- fedoraEOL30
Opensuse1 product
- leapEOL15.1
Systemd_project1 product
- systemd< 243
Ubuntu1 product
- systemdAll versions (No fix recorded) | < 229-4ubuntu21.27 | < 237-3ubuntu10.38
10 vendors · 43 products
References
72 links- github.com/systemd/systemd/commit/b2774a3ae692113e1f47a336a6c09bac9cfb49adX Refsource MISCFIXPatchThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2020-02/msg00014.htmlVendor AdvisoryX Refsource SUSEAdvisoryThird Party Advisory