CVSS: 3.3EPSS: 0%CPEs: 45EXPL: 0CVE-2016-9932 – Gentoo Linux Security Advisory 201612-56
https://notcve.org/view.php?id=CVE-2016-9932
02 Jan 2017 — CMPXCHG8B emulation in Xen 3.3.x through 4.7.x on x86 systems allows local HVM guest OS users to obtain sensitive information from host stack memory via a "supposedly-ignored" operand size prefix. Emulación CMPXCHG8B en Xen 3.3.x hasta la versión 4.7.x en sistemas x86 permite a usuarios locales HVM invitados del SO obtener información sensible de la memoria basada en pila del anfitrión a través de un prefijo de tamaño de operando "supuestamente ignorado". Jan Beulich and Jann Horn discovered multiple vulner... • http://www.debian.org/security/2017/dsa-3847 • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor •
CVSS: 6.0EPSS: 0%CPEs: 5EXPL: 0CVE-2016-10024 – Gentoo Linux Security Advisory 201612-56
https://notcve.org/view.php?id=CVE-2016-10024
02 Jan 2017 — Xen through 4.8.x allows local x86 PV guest OS kernel administrators to cause a denial of service (host hang or crash) by modifying the instruction stream asynchronously while performing certain kernel operations. Xen hasta la versión 4.8.x permite a administradores del kernel locales x86 PV invitados del SO provocar una denegación de servicio (cuelgue del anfitrión o caída) modificando el flujo de instrucciones asincrónicamente mientras se llevan a cabo ciertas operaciones del kernel. Jan Beulich and Jann ... • http://www.debian.org/security/2017/dsa-3847 • CWE-20: Improper Input Validation •
CVSS: 7.8EPSS: 0%CPEs: 43EXPL: 0CVE-2016-9382 – Gentoo Linux Security Advisory 201612-56
https://notcve.org/view.php?id=CVE-2016-9382
02 Jan 2017 — Xen 4.0.x through 4.7.x mishandle x86 task switches to VM86 mode, which allows local 32-bit x86 HVM guest OS users to gain privileges or cause a denial of service (guest OS crash) by leveraging a guest operating system that uses hardware task switching and allows a new task to start in VM86 mode. Xen 4.0.x hasta la versión 4.7.x administra mal los conmutadores de tareas x86 para el modo VM86, lo que permite a usuarios locales del SO invitado x86 HVM de 32-bit obtener privilegios o provocar una denegación de... • http://www.securityfocus.com/bid/94470 • CWE-264: Permissions, Privileges, and Access Controls •
CVSS: 6.3EPSS: 0%CPEs: 1EXPL: 0CVE-2016-7777 – Gentoo Linux Security Advisory 201611-09
https://notcve.org/view.php?id=CVE-2016-7777
07 Oct 2016 — Xen 4.7.x and earlier does not properly honor CR0.TS and CR0.EM, which allows local x86 HVM guest OS users to read or modify FPU, MMX, or XMM register state information belonging to arbitrary tasks on the guest by modifying an instruction while the hypervisor is preparing to emulate it. Xen 4.7.x y versiones anteriores no respeta adecuadamente CR0.TS y CR0.EM, lo que permite a usuarios locales x86 HVM del SO invitado leer o modificar información del estado de registro FPU, MMX o XMM que pertenece a tareas a... • http://www.securityfocus.com/bid/93344 • CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') •
CVSS: 4.1EPSS: 0%CPEs: 1EXPL: 0CVE-2016-7094 – Gentoo Linux Security Advisory 201611-09
https://notcve.org/view.php?id=CVE-2016-7094
21 Sep 2016 — Buffer overflow in Xen 4.7.x and earlier allows local x86 HVM guest OS administrators on guests running with shadow paging to cause a denial of service via a pagetable update. Desbordamiento de búfer en Xen 4.7.x y versiones anteriores permite a administradores locales del SO invitado x86 HVM ejecutado con paginación sombra provocar una denegación de servicio a través de una actualización de tabla de página. Multiple vulnerabilities have been found in Xen, the worst of which allows gaining of privileges on ... • http://support.citrix.com/article/CTX216071 • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •
CVSS: 8.8EPSS: 0%CPEs: 33EXPL: 0CVE-2016-6258 – Debian Security Advisory 3633-1
https://notcve.org/view.php?id=CVE-2016-6258
28 Jul 2016 — The PV pagetable code in arch/x86/mm.c in Xen 4.7.x and earlier allows local 32-bit PV guest OS administrators to gain host OS privileges by leveraging fast-paths for updating pagetable entries. El código de tabla de página PV en arch/x86/mm.c en Xen 4.7.x y versiones anteriores permite a administradores 32-bit PV locales del SO invitado obtener privilegios de administrador del SO mediante el aprovechamiento de fast_paths para la actualización de las entradas de la tabla de página. Multiple vulnerabilities ... • http://support.citrix.com/article/CTX214954 • CWE-284: Improper Access Control •
CVSS: 4.7EPSS: 0%CPEs: 36EXPL: 0CVE-2016-4963
https://notcve.org/view.php?id=CVE-2016-4963
07 Jun 2016 — The libxl device-handling in Xen through 4.6.x allows local guest OS users with access to the driver domain to cause a denial of service (management tool confusion) by manipulating information in the backend directories in xenstore. El libxl device-handling en Xen hasta la versión 4.6.x permite a usuarios locales del SO invitado con acceso al dominio del controlador provocar una denegación de servicio (confusión de la herramienta de gestión) manipulando información en los directorios del backend en xenstore... • http://www.securitytracker.com/id/1036024 • CWE-284: Improper Access Control •
CVSS: 8.4EPSS: 0%CPEs: 4EXPL: 0CVE-2016-4480 – Debian Security Advisory 3633-1
https://notcve.org/view.php?id=CVE-2016-4480
18 May 2016 — The guest_walk_tables function in arch/x86/mm/guest_walk.c in Xen 4.6.x and earlier does not properly handle the Page Size (PS) page table entry bit at the L4 and L3 page table levels, which might allow local guest OS users to gain privileges via a crafted mapping of memory. La función guest_walk_tables en arch/x86/mm/guest_walk en Xen 4.6.x y versiones anteriores no maneja adecuadamente el bit de entrada a la tabla de página Page Size (PS) en los niveles de tabla de página L4 y L3, lo que podría permitir a... • http://www.debian.org/security/2016/dsa-3633 • CWE-264: Permissions, Privileges, and Access Controls •
CVSS: 5.5EPSS: 0%CPEs: 4EXPL: 0CVE-2016-3961 – Ubuntu Security Notice USN-3002-1
https://notcve.org/view.php?id=CVE-2016-3961
15 Apr 2016 — Xen and the Linux kernel through 4.5.x do not properly suppress hugetlbfs support in x86 PV guests, which allows local PV guest OS users to cause a denial of service (guest OS crash) by attempting to access a hugetlbfs mapped area. Xen y el kernel de Linux hasta la versión 4.5.x no suprime adecuadamente el apoyo hugetlbfs en invitados x86 PV, lo que permite a usuarios PV locales invitados del SO provocar una denegación de servicio (caida de SO invitado) al intentar acceder a un área mapeada hugetlbfs. Justi... • http://www.debian.org/security/2016/dsa-3607 • CWE-20: Improper Input Validation •
CVSS: 3.8EPSS: 0%CPEs: 5EXPL: 0CVE-2016-3158 – Debian Security Advisory 3554-1
https://notcve.org/view.php?id=CVE-2016-3158
13 Apr 2016 — The xrstor function in arch/x86/xstate.c in Xen 4.x does not properly handle writes to the hardware FSW.ES bit when running on AMD64 processors, which allows local guest OS users to obtain sensitive register content information from another guest by leveraging pending exception and mask bits. NOTE: this vulnerability exists because of an incorrect fix for CVE-2013-2076. La función xrstor en arch/x86/xstate.c en Xen 4.x no maneja correctamente escrituras al bit FSW.ES hardware cuando se ejecuta en procesador... • http://lists.fedoraproject.org/pipermail/package-announce/2016-April/181699.html • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor CWE-284: Improper Access Control •