CVE-2014-5146

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    CVE-2014-5146

    Published: 22 Aug 2014Last Modified: 10 Apr 2026

    Summary:

    Details: Certain MMU virtualization operations in Xen 4.2.x through 4.4.x before the xsa97-hap patch, when using Hardware Assisted Paging (HAP), are not preemptible, which allows local HVM guest to cause a denial of service (vcpu consumption) by invoking these operations, which process every page assigned to a guest, a different vulnerability than CVE-2014-5149.

    References: http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00005.html, http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00010.html, http://www.securityfocus.com/bid/69198, http://www.securitytracker.com/id/1030723, http://xenbits.xen.org/xsa/advisory-97.html, https://security.gentoo.org/glsa/201504-04, http://xenbits.xen.org/xsa/advisory-97.html, http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136980.html, http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136981.html, https://exchange.xforce.ibmcloud.com/vulnerabilities/95234

    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-2014-5146 | CVE-DB