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.
2013-02-14T22:55:01.903
2025-04-11T00:51:21.963
Deferred
CVSSv2: 6.1 (MEDIUM)
AV:A/AC:L/Au:N/C:N/I:N/A:C
6.5
6.9
| Type | Vendor | Product | Version/Range | Vulnerable? |
|---|---|---|---|---|
| Operating System | xen | xen | 4.0.0 | Yes |
| Operating System | xen | xen | 4.1.0 | Yes |
| Operating System | xen | xen | 4.1.1 | Yes |
| Operating System | xen | xen | 4.1.2 | Yes |
| Operating System | xen | xen | 4.1.3 | Yes |
| Operating System | xen | xen | 4.1.4 | Yes |
| Operating System | xen | xen | 4.2.0 | Yes |
| Operating System | xen | xen | 4.2.1 | Yes |