CVE-2015-4103

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    CVE-2015-4103

    Published: 3 Jun 2015Last Modified: 16 Apr 2026

    Summary:

    Details: Xen 3.3.x through 4.5.x does not properly restrict write access to the host MSI message data field, which allows local x86 HVM guest administrators to cause a denial of service (host interrupt handling confusion) via vectors related to qemu and accessing spanning multiple fields.

    References: http://www.debian.org/security/2015/dsa-3284, http://www.debian.org/security/2015/dsa-3286, http://www.ubuntu.com/usn/USN-2630-1, http://xenbits.xen.org/xsa/advisory-128.html, https://security.gentoo.org/glsa/201604-03, http://lists.fedoraproject.org/pipermail/package-announce/2015-June/160154.html, http://lists.fedoraproject.org/pipermail/package-announce/2015-June/160171.html, http://lists.fedoraproject.org/pipermail/package-announce/2015-June/160685.html, http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00004.html, http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00007.html, http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00029.html, http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00030.html, http://support.citrix.com/article/CTX201145, http://www.securityfocus.com/bid/74947, http://www.securitytracker.com/id/1032456, https://support.citrix.com/article/CTX206006

    Affected packages

    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-2015-4103 | CVE-DB