CVE-2015-7969

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    CVE-2015-7969

    Published: 30 Oct 2015Last Modified: 16 Apr 2026

    Summary:

    Details: Multiple memory leaks in Xen 4.0 through 4.6.x allow local guest administrators or domains with certain permission to cause a denial of service (memory consumption) via a large number of "teardowns" of domains with the vcpu pointer array allocated using the (1) XEN_DOMCTL_max_vcpus hypercall or the xenoprofile state vcpu pointer array allocated using the (2) XENOPROF_get_buffer or (3) XENOPROF_set_passive hypercall.

    References: http://www.debian.org/security/2015/dsa-3414, http://xenbits.xen.org/xsa/advisory-149.html, http://xenbits.xen.org/xsa/advisory-151.html, https://security.gentoo.org/glsa/201604-03, http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171082.html, http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171185.html, http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171249.html, http://lists.opensuse.org/opensuse-updates/2015-11/msg00063.html, http://support.citrix.com/article/CTX202404, http://www.securityfocus.com/bid/77364, http://www.securitytracker.com/id/1034033

    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