vulnerability
Ubuntu: USN-4269-1 (CVE-2019-3843): systemd vulnerabilities
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:L/AC:L/Au:N/C:P/I:P/A:P) | Apr 26, 2019 | Feb 6, 2020 | Aug 18, 2025 |
Severity
5
CVSS
(AV:L/AC:L/Au:N/C:P/I:P/A:P)
Published
Apr 26, 2019
Added
Feb 6, 2020
Modified
Aug 18, 2025
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.
Solution
ubuntu-upgrade-systemd
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