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
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Fedoraproject | Fedora | 20 |
| Xen | Xen | 4.3.0 |
Related Weaknesses (CWE)
References
- http://lists.fedoraproject.org/pipermail/package-announce/2015-April/154574.htmlThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2015-April/154579.htmlThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155198.html
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00014.html
- http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00018.html
- http://www.securityfocus.com/bid/73448
- http://www.securitytracker.com/id/1031994Third Party AdvisoryVDB Entry
- http://xenbits.xen.org/xsa/advisory-125.htmlPatchVendor Advisory
- https://security.gentoo.org/glsa/201504-04
- http://lists.fedoraproject.org/pipermail/package-announce/2015-April/154574.htmlThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2015-April/154579.htmlThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155198.html
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00014.html
- http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00018.html
- http://www.securityfocus.com/bid/73448
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.