The XEN_DOMCTL_memory_mapping hypercall in Xen 3.2.x through 4.5.x,
when using a PCI passthrough device, is not preemptable, 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).
Note:References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
Disclaimer: The entry creation date may reflect when
the CVE-ID was allocated or reserved, and does not
necessarily indicate when this vulnerability was
discovered, shared with the affected vendor, publicly
disclosed, or updated in CVE.
This is an entry on the CVE
list, which standardizes names for security