CVE-2013-4356

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    CVE-2013-4356

    Published: 9 Oct 2013Last Modified: 10 Apr 2026

    Summary:

    Details: Xen 4.3.x writes hypervisor mappings to certain shadow pagetables when live migration is performed on hosts with more than 5TB of RAM, which allows local 64-bit PV guests to read or write to invalid memory and cause a denial of service (crash).

    References: http://secunia.com/advisories/54962, http://security.gentoo.org/glsa/glsa-201407-03.xml, http://www.openwall.com/lists/oss-security/2013/09/30/2, http://www.securityfocus.com/bid/62709

    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