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

27 Sep 2013 — Off-by-one error in the __addr_ok macro in Xen 3.3 and earlier allows local 64 bit PV guest administrators to cause a denial of service (host crash) via unspecified hypercalls that ignore virtual-address bits. Error de superación de límite (off-by-one) en la macro __addr_ok en Xen 3.3 y anteriores permite a administradores invitados locales 64 bit PV causar una denegación del servicio (caída del host) a través de hypercalls no especificadas que ignoran bits de direcciones virtuales. Multiple vulnerabilities... • http://rhn.redhat.com/errata/RHSA-2011-1212.html • CWE-193: Off-by-one Error CWE-399: Resource Management Errors •

CVSS: 7.8EPSS: 0%CPEs: 3EXPL: 0

23 Aug 2013 — The Elf parser (libelf) in Xen 4.2.x and earlier allow local guest administrators with certain permissions to have an unspecified impact via a crafted kernel, related to "pointer dereferences" involving unexpected calculations. El analizador ELF (libelf) in Xen v4.2.x y anteriores permite a los administradores invitados locales con ciertos permisos, tener un impacto no especificado a través de un kernel hecho manipulado, en relación con "desreferencia de puntero" que involucran cálculos inesperados. Multipl... • http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00015.html • CWE-189: Numeric Errors •

CVSS: 9.8EPSS: 0%CPEs: 3EXPL: 0

23 Aug 2013 — Multiple integer overflows in the Elf parser (libelf) in Xen 4.2.x and earlier allow local guest administrators with certain permissions to have an unspecified impact via a crafted kernel. Múltiples desbordamientos de enteros en el analizador ELF (libelf) en Xen v4.2.x y anteriores permite a los administradores invitados locales con ciertos permisos, tener un impacto no especificado a través de un kernel hecho manipulado. Multiple vulnerabilities have been found in Xen, allowing attackers on a Xen Virtual M... • http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00015.html • CWE-189: Numeric Errors •

CVSS: 7.8EPSS: 0%CPEs: 3EXPL: 0

23 Aug 2013 — Multiple unspecified vulnerabilities in the Elf parser (libelf) in Xen 4.2.x and earlier allow local guest administrators with certain permissions to have an unspecified impact via a crafted kernel, related to "other problems" that are not CVE-2013-2194 or CVE-2013-2195. Múltiples vulnerabilidades no especificadas en Elf parser (libelf) en Xen v4.2.x y anteriores permite a los administradores invitados locales con ciertos permisos, tener un impacto no especificado a través de un kernel hecho manipulado, en ... • http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00015.html •

CVSS: 9.8EPSS: 0%CPEs: 29EXPL: 0

12 Apr 2013 — Xen 4.2.x, 4.1.x, and earlier, when the hypervisor is running "under memory pressure" and the Xen Security Module (XSM) is enabled, uses the wrong ordering of operations when extending the per-domain event channel tracking table, which causes a use-after-free and allows local guest kernels to inject arbitrary events and gain privileges via unspecified vectors. Xen v4.2.x, v4.1.x, y anteriores, cuando el hypervisor se está ejecutando "bajo presión de memoria" y el Módulo de Seguridad Xen (XSM) está activado,... • http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00015.html • CWE-264: Permissions, Privileges, and Access Controls •

CVSS: 7.1EPSS: 0%CPEs: 11EXPL: 0

13 Feb 2013 — 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 usuari... • http://lists.opensuse.org/opensuse-security-announce/2013-03/msg00004.html • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •

CVSS: 7.8EPSS: 0%CPEs: 27EXPL: 0

13 Dec 2012 — The XENMEM_exchange handler in Xen 4.2 and earlier does not properly check the memory address, which allows local PV guest OS administrators to cause a denial of service (crash) or possibly gain privileges via unspecified vectors that overwrite memory in the hypervisor reserved range. El manejador XENMEM_exchange en Xen v4.2 y anteriores no comprueba correctamente la dirección de memoria, lo que permite causar una denegación de servicio (caída del S.O.) a administrador de sistemas operativos invitados PV o ... • http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00000.html • CWE-20: Improper Input Validation CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •

CVSS: 6.5EPSS: 0%CPEs: 27EXPL: 0

13 Dec 2012 — The (1) XENMEM_decrease_reservation, (2) XENMEM_populate_physmap, and (3) XENMEM_exchange hypercalls in Xen 4.2 and earlier allow local guest administrators to cause a denial of service (long loop and hang) via a crafted extent_order value. Las hiperllamadas (1) XENMEM_decrease_reservation, (2) XENMEM_populate_physmap, y (3) XENMEM_exchange en Xen v4.2 y anteriores permiten a los administradores invitados locales causar una denegación de servicio (bucle largo y cuelgue) a través de un valor modificado de "e... • http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00000.html •

CVSS: 9.1EPSS: 0%CPEs: 27EXPL: 0

13 Dec 2012 — 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 tra... • http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00001.html •

CVSS: 6.5EPSS: 0%CPEs: 1EXPL: 1

13 Dec 2012 — Xen 4.1.1 and earlier allows local guest OS kernels with control of a PCI[E] device to cause a denial of service (CPU consumption and host hang) via many crafted DMA requests that are denied by the IOMMU, which triggers a livelock. Xen v4.1.1 y anteriores permite causar una denegación de servicio (consumo de CPU y bloqueo de Xen) a los kernels de sistemas operativos huesped que controlan dispositivos PCI[E] a través de muchas peticiones DMA modificadas que son denegadas por la IOMMU, lo que desencadena un b... • http://old-list-archives.xen.org/archives/html/xen-devel/2011-06/msg01106.html • CWE-399: Resource Management Errors •