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    CVE-2016-9637

    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.

    Published:Dec 6, 2016
    Last Modified:Apr 20, 2025
    EPS:Feb 16, 2017
    EPSS Score:0.00087
    CVSS Score:7.5

    Affected Products

    Vendor
    Citrix
    Product
    Xenserver
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-125 Out-of-bounds Read

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-540 Overread Buffers

    Related CVEs

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    CVE-2014-3798 (CVSS 6.5) — The Windows Guest Tools in Citrix XenServer 6.2 SP1 and earlier allows remote attackers to cause a denial of s…
    CVE-2018-19962 (CVSS 7.8) — An issue was discovered in Xen through 4.11.x on AMD x86 platforms, possibly allowing guest OS users to gain h…
    CVE-2018-19961 (CVSS 7.8) — An issue was discovered in Xen through 4.11.x on AMD x86 platforms, possibly allowing guest OS users to gain h…
    CVE-2018-19965 (CVSS 5.6) — An issue was discovered in Xen through 4.11.x allowing 64-bit PV guest OS users to cause a denial of service (…
    CVE-2018-14007 (CVSS 9.8) — Citrix XenServer 7.1 and newer allows Directory Traversal.…
    CVE-2018-11053 (CVSS 6.5) — Dell EMC iDRAC Service Module for all supported Linux and XenServer versions v3.0.1, v3.0.2, v3.1.0, v3.2.0, w…
    CVE-2018-3665 (CVSS 5.6) — System software utilizing Lazy FP state restore technique on systems using Intel Core-based microprocessors ma…
    CVE-2018-8897 (CVSS 7.8) — A statement in the System Programming Guide of the Intel 64 and IA-32 Architectures Software Developer's Manua…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High