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

Memory leak in Xen 4.2 and unstable allows local HVM guests to cause a denial of service (host memory consumption) by performing nested virtualization in a way that triggers errors that are not properly handled. Consumo de memoria en Xen v4.2 que permite a los huéspedes virtualizados inestable locales que pueden provocar una denegación de servicio (consumo de memoria de host) mediante la realización de virtualización anidada de forma que provoca errores que no manejan adecuadamente. • http://secunia.com/advisories/55082 http://security.gentoo.org/glsa/glsa-201309-24.xml http://www.openwall.com/lists/oss-security/2013/01/23/8 http://www.securitytracker.com/id/1028032 • CWE-399: Resource Management Errors •

CVSS: 5.2EPSS: 0%CPEs: 11EXPL: 0

The pciback_enable_msi function in the PCI backend driver (drivers/xen/pciback/conf_space_capability_msi.c) in Xen for the Linux kernel 2.6.18 and 3.8 allows guest OS users with PCI device access to cause a denial of service via a large number of kernel log messages. NOTE: some of these details are obtained from third party information. La función pciback_enable_msi en el controlador PCI backend (drivers/xen/pciback/conf_space_capability_msi.c) en Xen para Linux kernel v2.6.18 y v3.8, permite que los usuarios de los sistemas operativos huésped (guest) puedan provocar una denegación de servicio a través de un número elevado de mensajes de log del kernel. NOTA: algunos de estos detalles han sido obtenidos a partir de información de terceros. • http://lists.opensuse.org/opensuse-security-announce/2013-03/msg00004.html http://lists.opensuse.org/opensuse-security-announce/2013-04/msg00018.html http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html http://osvdb.org/89903 http://secunia.com/advisories/52059 http://www.debian.org/security/2013/dsa-2632 http://www.openwall.com/lists/oss-security/2013/02/05/9 http://www.securityfocus.com/bid/57740 https://exchange.xforce.ibmcloud.com/vulnerabilities/81923 https& • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •

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 •