CVE-2017-15589

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    CVE-2017-15589

    Published: 18 Oct 2017Last Modified: 15 Mar 2026

    Summary:

    Details: An issue was discovered in Xen through 4.9.x allowing x86 HVM guest OS users to obtain sensitive information from the host OS (or an arbitrary guest OS) because intercepted I/O operations can cause a write of data from uninitialized hypervisor stack memory.

    References: https://support.citrix.com/article/CTX228867, https://lists.debian.org/debian-lts-announce/2017/11/msg00027.html, https://lists.debian.org/debian-lts-announce/2018/10/msg00009.html, https://www.debian.org/security/2017/dsa-4050, http://www.securityfocus.com/bid/101496, http://www.securitytracker.com/id/1039568, https://security.gentoo.org/glsa/201801-14, https://xenbits.xen.org/xsa/advisory-239.html

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: N/A

    Events:

    Introduced- None
    Fixed -None

    Affected versions

    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