NetSight
medium4.9

CVE-2015-2752

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 …

Impact

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).

Affected products

VendorProductAffected versions
FedoraprojectFedora
Versions 20, 21
XenXen
Versions 4.3.0, 4.3.1, 4.3.2, 4.4.0, 4.4.1, 4.5.0

Weakness classification

References