CVE-2015-2752

Severity: medium (CVSS 4.9 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2015-04-01 · updated 2026-06-17
Weakness: CWE-20

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).

Affected products

Fedoraproject Fedora: 20, 21
xen: 4.3.0, 4.3.1, 4.3.2, 4.4.0, 4.4.1, 4.5.0

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

Get alerted when CVE-2015-2752 or the next vulnerability affects your stack