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Servers and applications

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).

Severity
Medium 4.9
Published
1 Apr 2015
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
0.5% in the next 30 daysHigher than 39% of CVEs. EPSS by FIRST, 11 Nov 2026
Weakness
Improper input validation (CWE-20)
Attack
Needs local access · No login needed
Attacker can
Take it down
CVSS vector
AV:L/AC:L/Au:N/C:N/I:N/A:C
Sources
NVD

Affected software

SoftwareAffected versions
XenServers and applications · cpe:o:xen:xen
  • Version 4.3.0
  • Version 4.3.1
  • Version 4.3.2
  • Version 4.4.0
  • Version 4.4.1
  • Version 4.5.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2015-2752
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2015-2752