CVE-2016-9637

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CVSS 3.0

7.5 high

EPSS

<1%p30

Published

Feb 17, 2017 (Feb 17, 2017)

Modified

Jun 17, 2026

Description

The (1) ioport_read and (2) ioport_write functions in Xen, when qemu is used as a device model within Xen, might allow local x86 HVM guest OS administrators to gain qemu process privileges via vectors involving an out-of-range ioport access.

Vendors: citrix
Products: xenserver
Weakness: CWE-264
Vector: CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (0.4%)

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