Is CVE-2019-3843 actively exploited?

CVE-2019-3843 has no public evidence of in-the-wild exploitation as of 2024-11-21.

What is the CVSS score for CVE-2019-3843?

CVE-2019-3843 has a CVSS score of 7.8 (HIGH severity). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

How do I patch CVE-2019-3843?

Patch guidance is available from systemd project security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2019-3843.

Fix CVE-2019-3843 - HIGH systemd project systemd

Q: Which products are affected by CVE-2019-3843?

9 products: systemd project systemd, fedoraproject fedora, canonical ubuntu linux, canonical ubuntu linux, canonical ubuntu linux, and 4 more.

Description

It was discovered that a systemd service that uses DynamicUser property can create a SUID/SGID binary that would be allowed to run as the transient service UID/GID even after the service is terminated. A local attacker may use this flaw to access resources that will be owned by a potentially different service in the future, when the UID/GID will be recycled.

CVSS Metrics

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector: local
Complexity: low
Privileges: low
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-266 CWE-269 · Improper Privilege Management

Metadata

Primary Vendor: SYSTEMD_PROJECT
Published: 4/26/2019
Last Modified: 11/21/2024
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

systemd_project : systemdfedoraproject : fedoracanonical : ubuntu_linuxcanonical : ubuntu_linuxcanonical : ubuntu_linuxnetapp : hci_management_nodenetapp : snapprotectnetapp : solidfirenetapp : cn1610_firmware

Remediation Guidance

Executive Summary

Cite this page

CVE-2019-3843. CVEDatabase.com. Retrieved 1 May 2026. https://cvedatabase.com/cve/CVE-2019-3843

View on NIST NVD

CVE-2019-3843 vulnerability