Vulnerability Details 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).
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 32.1%
CVSS Severity
CVSS v2 Score 4.9
References
- http://lists.fedoraproject.org/pipermail/package-announce/2015-April/154574.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-April/154579.html
- 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/1031994
- http://xenbits.xen.org/xsa/advisory-125.html
- https://security.gentoo.org/glsa/201504-04
- http://lists.fedoraproject.org/pipermail/package-announce/2015-April/154574.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-April/154579.html
- 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/1031994
- http://xenbits.xen.org/xsa/advisory-125.html
- https://security.gentoo.org/glsa/201504-04
Products affected by CVE-2015-2752
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cpe:2.3:o:fedoraproject:fedora:20
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cpe:2.3:o:fedoraproject:fedora:21
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cpe:2.3:o:xen:xen:4.3.0
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cpe:2.3:o:xen:xen:4.3.1
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cpe:2.3:o:xen:xen:4.3.2
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cpe:2.3:o:xen:xen:4.4.0
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cpe:2.3:o:xen:xen:4.4.1
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cpe:2.3:o:xen:xen:4.5.0