CVE-2017-17563

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    CVE-2017-17563

    Published: 12 Dec 2017Last Modified: 15 Mar 2026

    Summary:

    Details: An issue was discovered in Xen through 4.9.x allowing guest OS users to cause a denial of service (host OS crash) or gain host OS privileges by leveraging an incorrect mask for reference-count overflow checking in shadow mode.

    References: http://www.securityfocus.com/bid/102169, http://www.securitytracker.com/id/1040769, https://lists.debian.org/debian-lts-announce/2018/01/msg00003.html, https://lists.debian.org/debian-lts-announce/2018/10/msg00009.html, https://support.citrix.com/article/CTX232096, https://security.gentoo.org/glsa/201801-14, https://www.debian.org/security/2018/dsa-4112, https://xenbits.xen.org/xsa/advisory-249.html, http://www.openwall.com/lists/oss-security/2017/12/12/2

    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
    CVE-2017-17563 | CVE-DB