CVE-2013-0231 – kernel: xen: pciback DoS via not rate limited log messages
https://notcve.org/view.php?id=CVE-2013-0231
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 •
CVE-2012-6333
https://notcve.org/view.php?id=CVE-2012-6333
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 •
CVE-2012-5511
https://notcve.org/view.php?id=CVE-2012-5511
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 •
CVE-2012-5514
https://notcve.org/view.php?id=CVE-2012-5514
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 •
CVE-2012-5510
https://notcve.org/view.php?id=CVE-2012-5510
Xen 4.x, when downgrading the grant table version, does not properly remove the status page from the tracking list when freeing the page, which allows local guest OS administrators to cause a denial of service (hypervisor crash) via unspecified vectors. Xen v4.x, cuando se baja la versión de la tabla de permisos, no elimina correctamente la página de estado de la lista de seguimiento cuando libera la página, lo que permite causar una denegación de servicio (caída del hipervisor) a los administradores de sistemas operativos huespedes del HVM local 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 •