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CVSS: 1.9EPSS: 0%CPEs: 1EXPL: 0

The get_page_type function in xen/arch/x86/mm.c in Xen 4.2, when debugging is enabled, allows local PV or HVM guest administrators to cause a denial of service (assertion failure and hypervisor crash) via unspecified vectors related to a hypercall. La función get_page_type en xen/arch/x86/mm.c en Xen v4.2, cuando esté habilitada la depuración, permite a PV locales o administradores huésped en HVM provocar una denegación de servicios (error de aserción y caída del hipervisor) a través de vectores relacionados con "hypercall". • http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html http://lists.opensuse.org/opensuse-updates/2013-04/msg00051.html http://lists.opensuse.org/opensuse-updates/2013-04/msg00052.html http://osvdb.org/88913 http://seclists.org/oss-sec/2013/q1/att-17/xsa37-4_2.patch http://secunia.com/advisories/55082 http://security.gentoo.org/glsa/glsa-201309-24.xml http://www.openwall.com/lists/oss-security/2013/01/04/2 http://www.securityfocus.com/bid/57159 •

CVSS: 4.7EPSS: 0%CPEs: 12EXPL: 0

Multiple HVM control operations in Xen 3.4 through 4.2 allow local HVM guest OS administrators to cause a denial of service (physical CPU consumption) via a large input. Varias operaciones de control de HVM en Xen v3.4 hasta la v4.2 permiten a administradores de sistemas operativos invitados locales causar una denegación de servicio (excesivo consumo de CPU física) a través de una entrada de datos demasiado grande. • http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00001.html http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html http://secunia.com/advisories/51397 http://secunia.com/advisories/51486 http://secunia.com/advisories/51487 http://secunia.com/advisories/55082 http://security.gentoo.org/glsa/glsa-201309-24.xml http://support.citrix.com/article/CTX135777 http://www.openwall.com/lists/oss-security/2012/12/03/10 http://www.osvdb.org/88129 http:& • CWE-399: Resource Management Errors •

CVSS: 4.7EPSS: 0%CPEs: 11EXPL: 0

Stack-based buffer overflow in the dirty video RAM tracking functionality in Xen 3.4 through 4.1 allows local HVM guest OS administrators to cause a denial of service (crash) via a large bitmap image. Desbordamiento de búfer en la funcionalidad "dirty video RAM tracking" en Xen 3.4 a la 4.1, permite a los huespedes HVM administradores del sistema operativo local provocar una denegación de servicio (caída) a través de una imagen bitmap demasiado grande. • http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00001.html http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00018.html http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00019.html http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00011.html http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html http://lists.opensuse.org/opensuse-updates/2013-04/msg00051.html http://lists.opensuse.org/opensuse-updates/2013-04/msg00052.html http • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •

CVSS: 4.7EPSS: 0%CPEs: 1EXPL: 0

The get_page_from_gfn hypercall function in Xen 4.2 allows local PV guest OS administrators to cause a denial of service (crash) via a crafted GFN that triggers a buffer over-read. La función de hiperllamada get_page_from_gfn en Xen v4.2 permite causar una denegación de servicio (caída del SO) a los administradores locales del sistema operativo invitados PV a través de un GFN modificado que provoca una sobrelectura de buffer. • http://secunia.com/advisories/51397 http://secunia.com/advisories/55082 http://security.gentoo.org/glsa/glsa-201309-24.xml http://www.openwall.com/lists/oss-security/2012/12/03/6 http://www.osvdb.org/88133 http://www.securityfocus.com/bid/56805 https://exchange.xforce.ibmcloud.com/vulnerabilities/80480 - •

CVSS: 4.7EPSS: 0%CPEs: 27EXPL: 0

The guest_physmap_mark_populate_on_demand function in Xen 4.2 and earlier does not properly unlock the subject GFNs when checking if they are in use, which allows local guest HVM administrators to cause a denial of service (hang) via unspecified vectors. La función guest_physmap_mark_populate_on_demand en Xen v4.2 y anteriores no desbloquea correctamente los GFNs al comprobar si están en uso, lo que permite causar una denegación de servicio (caída del HVM)a los administradores de HVM invitados locales a través de vectores no especificados. • http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00001.html http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00018.html http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00019.html http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00011.html http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html http://lists.opensuse.org/opensuse-updates/2013-04/msg00051.html http://lists.opensuse.org/opensuse-updates/2013-04/msg00052.html http •