CVE-2015-8554

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    CVE-2015-8554

    Published: 14 Apr 2016Last Modified: 10 Apr 2026

    Summary:

    Details: Buffer overflow in hw/pt-msi.c in Xen 4.6.x and earlier, when using the qemu-xen-traditional (aka qemu-dm) device model, allows local x86 HVM guest administrators to gain privileges by leveraging a system with access to a passed-through MSI-X capable physical PCI device and MSI-X table entries, related to a "write path."

    References: http://support.citrix.com/article/CTX203879, http://xenbits.xen.org/xsa/advisory-164.html, https://security.gentoo.org/glsa/201604-03, http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html, http://www.securityfocus.com/bid/79579, http://www.securitytracker.com/id/1034481

    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-2015-8554 | CVE-DB