MEDIUM · 4.9

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 users to cause a denial of service (host ...

Vulnerability Description

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).

CVSS Score

4.9

MEDIUM

AV:L/AC:L/Au:N/C:N/I:N/A:C
Confidentiality
NONE
Integrity
NONE
Availability
COMPLETE

Affected Products

VendorProductVersions
FedoraprojectFedora20
XenXen4.3.0

Related Weaknesses (CWE)

References

FAQ

What is CVE-2015-2752?

CVE-2015-2752 is a vulnerability with a CVSS score of 4.9 (MEDIUM). 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 ...

How severe is CVE-2015-2752?

CVE-2015-2752 has been rated MEDIUM with a CVSS base score of 4.9/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2015-2752?

Check the references section above for vendor advisories and patch information. Affected products include: Fedoraproject Fedora, Xen Xen.