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3.3
virt-manager may allow automatic creation of virtual machines
published 4 days ago
Summary
The virt-install tool in the virt-manager package now includes an '--unattended' option that can start new virtual machines without any user interaction. This could let an attacker create VMs on your system without your knowledge, consuming resources or providing a foothold for further attacks. Review your configuration and disable or restrict the unattended option, and apply any available updates that address this behavior.
What to do
- Update cleanstart virt-manager to version 2.2.1-r0.
Affected software
| Ecosystem | Vendor | Product | Affected versions |
|---|---|---|---|
| CleanStart | cleanstart | virt-manager |
< 2.2.1-r0 Fix: upgrade to 2.2.1-r0
|
Original advisory text
Virt-install(1) utility used to provision new virtual machines has introduced an option '--unattended' to create VMs without user interaction
Security vulnerability affects the virt-manager package. Virt-install(1) utility used to provision new virtual machines has introduced an option '--unattended' to create VMs without user interaction.
Internet-facing
60 days
Internal
At next upgrade
- Not known to be exploited
- Needs hands-on effort to exploit (estimated)
- Gives an attacker partial control (estimated)
Timeline
Published31 Oct 2026
Updated31 Oct 2026
First seen31 Oct 2026
Sources
CLEANSTART-2024-JK81953 · OSV
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