Xen 4.2.x, 4.1.x, and 4.0, when using Intel VT-d for PCI passthrough, does not properly configure VT-d when supporting a device that is behind a legacy PCI Bridge, which allows local guests to cause a denial of service to other guests by injecting an interrupt.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Xen | Xen | 4.0.0 (including) | 4.0.0 (including) |
| Xen | Xen | 4.1.0 (including) | 4.1.0 (including) |
| Xen | Xen | 4.1.1 (including) | 4.1.1 (including) |
| Xen | Xen | 4.1.2 (including) | 4.1.2 (including) |
| Xen | Xen | 4.1.3 (including) | 4.1.3 (including) |
| Xen | Xen | 4.1.4 (including) | 4.1.4 (including) |
| Xen | Xen | 4.2.0 (including) | 4.2.0 (including) |
| Xen | Xen | 4.2.1 (including) | 4.2.1 (including) |
| Xen | Ubuntu | devel | * |
| Xen | Ubuntu | oneiric | * |
| Xen | Ubuntu | precise | * |
| Xen | Ubuntu | quantal | * |