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CVE-2026-40223
Published:April 10, 2026
Updated:April 20, 2026
In systemd 258 before 260, a local unprivileged user can trigger an assert when a Delegate=yes and User=<unset> unit exists and is running.
Affected Packages
https://github.com/systemd/systemd.git (GITHUB):
Affected version(s) >=v259 <v259.2
Fix Suggestion:
Update to version v259.2
https://github.com/systemd/systemd.git (GITHUB):
Affected version(s) >=v258 <v258.5
Fix Suggestion:
Update to version v258.5
https://github.com/systemd/systemd.git (GITHUB):
Affected version(s) >=v257 <v257.11
Fix Suggestion:
Update to version v257.11
https://github.com/systemd/systemd.git (GITHUB):
Affected version(s) =v260 <v260.1
Fix Suggestion:
Update to version v260.1
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CVSS v4
Base Score:
5.7
Attack Vector
LOCAL
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
4.7
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Incorrect Behavior Order
EPSS
Base Score:
0.01