An issue was discovered in Xen 4.11.x allowing x86 guest OS users to cause a denial of service (host OS hang) because the p2m lock remains unavailable indefinitely in certain error conditions.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Xen | Xen | 4.11.0 (including) | 4.11.1 (including) |
| Xen | Ubuntu | cosmic | * |
| Xen | Ubuntu | trusty | * |
| Xen | Ubuntu | upstream | * |