CVE-2015-2752

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).

Category

4.9
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.12%
Vendor Advisory gentoo.org Vendor Advisory fedoraproject.org Vendor Advisory opensuse.org Vendor Advisory fedoraproject.org Vendor Advisory opensuse.org Vendor Advisory fedoraproject.org Vendor Advisory xen.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.securitytracker.com/id/1031994 vdb entry third party advisory
https://security.gentoo.org/glsa/201504-04 vendor advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155198.html vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00018.html vendor advisory
http://www.securityfocus.com/bid/73448 vdb entry
http://lists.fedoraproject.org/pipermail/package-announce/2015-April/154574.html third party advisory vendor advisory
http://xenbits.xen.org/xsa/advisory-125.html patch vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00014.html vendor advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-April/154579.html third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2015-2752?
CVE-2015-2752 has been scored as a medium severity vulnerability.
How to fix CVE-2015-2752?
To fix CVE-2015-2752, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2015-2752 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2015-2752 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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