Total vulnerabilities in the database
The XEN_DOMCTL_memory_mapping hypercall in Xen 3.2.x through 4.5.x, when using a PCI passthrough device, is not preemptible, which allows local x86 HVM domain users to cause a denial of service (host CPU consumption) via a crafted request to the device model (qemu-dm).
| Software | From | Fixed in |
|---|---|---|
| fedoraproject / fedora | 20 | 20.x |
| fedoraproject / fedora | 21 | 21.x |
| xen / xen | 4.3.2 | 4.3.2.x |
| xen / xen | 4.3.0 | 4.3.0.x |
| xen / xen | 4.4.1 | 4.4.1.x |
| xen / xen | 4.3.1 | 4.3.1.x |
| xen / xen | 4.5.0 | 4.5.0.x |
| xen / xen | 4.4.0 | 4.4.0.x |