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.
CVSS Details
- CVSS 3.1 Base Score: 5.9
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade cloud-init | Jun 30, 2025 | Jun 26, 2025 |
| Huawei Euleros 2_0_sp11 | — | Upgrade cloud-init | Oct 14, 2025 | Oct 10, 2025 |
| Huawei Euleros 2_0_sp12 | — | Upgrade cloud-init | Nov 12, 2025 | Oct 10, 2025 |
| Huawei Euleros 2_0_sp13 | — | Upgrade cloud-init | Oct 24, 2025 | Oct 10, 2025 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Jun 26, 2025 |
| Suse | — | Upgrade cloud-init-docUpgrade cloud-initUpgrade cloud-init-config-suse | Dec 5, 2025 | Sep 5, 2025 |
| Ubuntu | — | Upgrade cloud-init (Ubuntu Pro)Upgrade cloud-init-baseUpgrade cloud-init | Jul 1, 2025 | Jun 26, 2025 |
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