Description
cloud-init through 25.1.2 includes the systemd socket unit cloud-init-hotplugd.socket with default SocketMode that grants 0666 permissions, making it world-writable. This is used for the "/run/cloud-init/hook-hotplug-cmd" FIFO. An unprivileged user could trigger hotplug-hook commands.
Scores
CVSS v3
5.9
EPSS
0.0010
EPSS Percentile
27.3%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-732
Status
published
Products (1)
canonical/cloud-init
< 25.1.3
Published
Jun 26, 2025
Tracked Since
Feb 18, 2026