Certain MMU virtualization operations in Xen 4.2.x through 4.4.x before the xsa97-hap patch, when using Hardware Assisted Paging (HAP), are not preemptible, which allows local HVM guest to cause a denial of service (vcpu consumption) by invoking these operations, which process every page assigned to a guest, a different vulnerability than CVE-2014-5149.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Opensuse | Opensuse | 13.1 (including) | 13.1 (including) |
| Opensuse | Opensuse | 13.2 (including) | 13.2 (including) |
| Xen | Ubuntu | precise | * |
| Xen | Ubuntu | upstream | * |
| Xen | Ubuntu | utopic | * |
| Xen-3.3 | Ubuntu | lucid | * |
| Xen-3.3 | Ubuntu | upstream | * |