CVE-2015-2752

    Dashboard / Vulnerabilities / CVE-2015-2752

    CVE-2015-2752

    Published: 1 Apr 2015Last Modified: 16 Apr 2026

    Summary:

    Details: The XEN_DOMCTL_memory_mapping hypercall in Xen 3.2.x through 4.5.x, when using a PCI passthrough device, is not preemptible, which allows local x86 HVM domain users to cause a denial of service (host CPU consumption) via a crafted request to the device model (qemu-dm).

    References: http://lists.fedoraproject.org/pipermail/package-announce/2015-April/154574.html, http://lists.fedoraproject.org/pipermail/package-announce/2015-April/154579.html, http://www.securitytracker.com/id/1031994, http://xenbits.xen.org/xsa/advisory-125.html, https://security.gentoo.org/glsa/201504-04, http://xenbits.xen.org/xsa/advisory-125.html, http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155198.html, http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00014.html, http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00018.html, http://www.securityfocus.com/bid/73448

    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