CVE-2015-2752

UnknownEPSS 0.45%

Last modified

CVE-2015-2752 is a vulnerability of currently unknown severity. 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).. EPSS estimates a 0.45% chance of exploitation in the next 30 days.

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).

Metrics

EPSS Probability
0.45%

36.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
FedoraprojectFedora20
FedoraprojectFedora21
XenXen4.3.0
XenXen4.3.1
XenXen4.3.2
XenXen4.4.0
XenXen4.4.1
XenXen4.5.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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 CPU consumption) via a crafted request to the device model (qemu-dm).
How severe is CVE-2015-2752?
Severity scoring for CVE-2015-2752 is pending analysis. The EPSS model estimates a 0.45% probability of exploitation in the next 30 days.
How do I fix CVE-2015-2752?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2015-2752?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST