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CVSS: 7.4EPSS: 0%CPEs: 2EXPL: 0

Xen 4.4.x, when running on an ARM system, does not properly check write permissions on virtual addresses, which allows local guest administrators to gain privileges via unspecified vectors. Xen 4.4.x, cuando funciona en un sistema ARM, no comprueba debidamente permisos de escritura en direcciones virtuales, lo que permite a administradores locales invitados ganar privilegios a través de vectores no especificados. • http://secunia.com/advisories/58975 http://www.openwall.com/lists/oss-security/2014/06/04/14 http://www.securityfocus.com/bid/67819 http://www.securitytracker.com/id/1030333 http://xenbits.xen.org/xsa/advisory-98.html • CWE-264: Permissions, Privileges, and Access Controls •

CVSS: 5.5EPSS: 0%CPEs: 10EXPL: 0

The HVMOP_inject_msi function in Xen 4.2.x, 4.3.x, and 4.4.x does not properly check the return value from the IRQ setup check, which allows local HVM guest administrators to cause a denial of service (NULL pointer dereference and crash) via unspecified vectors. La función HVMOP_inject_msi en Xen 4.2.x, 4.3.x y 4.4.x no comprueba debidamente el valor de retorno de la comprobación de configuraciones IRQ, lo que permite a administradores locales invitados de HVM causar una denegación de servicio (referencia a puntero nulo y caída) a través de vectores no especificados. • http://lists.fedoraproject.org/pipermail/package-announce/2014-June/134710.html http://lists.fedoraproject.org/pipermail/package-announce/2014-June/134739.html http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00002.html http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00003.html http://www.openwall.com/lists/oss-security/2014/06/04/13 http://www.securityfocus.com/bid/67794 http://www.securitytracker.com/id/1030322 http://xenbits.xen.org/xsa/advisory-96.html ht •

CVSS: 5.5EPSS: 0%CPEs: 10EXPL: 0

The HVMOP_inject_msi function in Xen 4.2.x, 4.3.x, and 4.4.x allows local guest HVM administrators to cause a denial of service (host crash) via a large number of crafted requests, which trigger an error messages to be logged. La función HVMOP_inject_msi en Xen 4.2.x, 4.3.x y 4.4.x permite a administradores locales invitados causar una denegación de servicio (caída de anfitrión) a través de un número grande de solicitudes manipuladas, lo que provoca que se registra un mensaje de error. • http://lists.fedoraproject.org/pipermail/package-announce/2014-June/134710.html http://lists.fedoraproject.org/pipermail/package-announce/2014-June/134739.html http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00002.html http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00003.html http://www.openwall.com/lists/oss-security/2014/06/04/13 http://www.securityfocus.com/bid/67794 http://www.securityfocus.com/bid/67824 http://www.securitytracker.com/id/1030322 http:/ •

CVSS: 3.3EPSS: 0%CPEs: 2EXPL: 0

The ARM image loading functionality in Xen 4.4.x does not properly validate kernel length, which allows local users to read system memory or cause a denial of service (crash) via a crafted 32-bit ARM guest kernel in an image, which triggers a buffer overflow. La funcionalidad de carga de imágenes ARM en Xen 4.4.x no valida debidamente la longitud de kernels, lo que permite a usuarios locales leer memoria de sistema o causar una denegación de servicio (caída) a través de un kernel ARM de 32-bits invitado manipulado en un imagen, lo que provoca un desbordamiento de buffer. • http://www.openwall.com/lists/oss-security/2014/05/14/4 http://www.openwall.com/lists/oss-security/2014/05/15/6 http://www.openwall.com/lists/oss-security/2014/05/16/1 http://www.securitytracker.com/id/1030252 http://xenbits.xen.org/xsa/advisory-95.html • CWE-20: Improper Input Validation •

CVSS: 1.9EPSS: 0%CPEs: 2EXPL: 0

Xen 4.4.x does not properly check alignment, which allows local users to cause a denial of service (crash) via an unspecified field in a DTB header in a 32-bit guest kernel. Xen 4.4.x no comprueba debidamente alineación, lo que permite a usuarios locales causar una denegación de servicio (caída) a través de un campo no especificado en una cabecera DTB en un kernel invitado de 32-bits. • http://www.openwall.com/lists/oss-security/2014/05/14/4 http://www.openwall.com/lists/oss-security/2014/05/15/6 http://www.openwall.com/lists/oss-security/2014/05/16/1 http://www.securitytracker.com/id/1030252 http://xenbits.xen.org/xsa/advisory-95.html • CWE-20: Improper Input Validation •