
CVE-2016-4447 – libxml2: Heap-based buffer underreads due to xmlParseName
https://notcve.org/view.php?id=CVE-2016-4447
27 May 2016 — The xmlParseElementDecl function in parser.c in libxml2 before 2.9.4 allows context-dependent attackers to cause a denial of service (heap-based buffer underread and application crash) via a crafted file, involving xmlParseName. La función xmlParseElementDecl en parser.c en libxml2 en versiones anteriores a 2.9.4 permite a atacantes dependientes del contexto provocar una denegación de servicio (underread basado en memoria dinámica y caída de aplicación) a través de un archivo manipulado, con la participació... • http://lists.apple.com/archives/security-announce/2016/Jul/msg00000.html • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer CWE-122: Heap-based Buffer Overflow •

CVE-2016-4448 – libxml2: Format string vulnerability
https://notcve.org/view.php?id=CVE-2016-4448
27 May 2016 — Format string vulnerability in libxml2 before 2.9.4 allows attackers to have unspecified impact via format string specifiers in unknown vectors. Vulnerabilidad de formato de cadena en libxml2 en versiones anteriores a 2.9.4 permite a atacantes tener un impacto no especificado a través de especificadores de formato de cadena en vectores desconocidos. It was discovered that libxml2 incorrectly handled format strings. If a user or automated system were tricked into opening a specially crafted document, an atta... • http://lists.apple.com/archives/security-announce/2016/Jul/msg00000.html • CWE-134: Use of Externally-Controlled Format String •

CVE-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 •

CVE-2016-3712 – qemu-kvm: Out-of-bounds read when creating weird vga screen surface
https://notcve.org/view.php?id=CVE-2016-3712
10 May 2016 — Integer overflow in the VGA module in QEMU allows local guest OS users to cause a denial of service (out-of-bounds read and QEMU process crash) by editing VGA registers in VBE mode. Desbordamiento de entero en el módulo VGA en QEMU permite a usuarios de SO invitado locales provocar una denegación de servicio (lectura fuera de límites y caída de proceso QEMU) editando registros VGA en modo VBE. An integer overflow flaw and an out-of-bounds read flaw were found in the way QEMU's VGA emulator set certain VGA r... • http://rhn.redhat.com/errata/RHSA-2016-2585.html • CWE-125: Out-of-bounds Read CWE-190: Integer Overflow or Wraparound •

CVE-2016-3710 – qemu: incorrect banked access bounds checking in vga module
https://notcve.org/view.php?id=CVE-2016-3710
09 May 2016 — The VGA module in QEMU improperly performs bounds checking on banked access to video memory, which allows local guest OS administrators to execute arbitrary code on the host by changing access modes after setting the bank register, aka the "Dark Portal" issue. El módulo VGA en QEMU lleva a cabo incorrectamente comprobaciones de límites sobre acceso almacenado a la memoria de vídeo, lo que permite a administradores locales de SO invitado ejecutar código arbitrario sobre el anfitrión cambiando los modos de ac... • http://rhn.redhat.com/errata/RHSA-2016-0724.html • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •

CVE-2016-3627 – libxml2: stack exhaustion while parsing xml files in recovery mode
https://notcve.org/view.php?id=CVE-2016-3627
03 May 2016 — The xmlStringGetNodeList function in tree.c in libxml2 2.9.3 and earlier, when used in recovery mode, allows context-dependent attackers to cause a denial of service (infinite recursion, stack consumption, and application crash) via a crafted XML document. La función xmlStringGetNodeList en tree.c en libxml2.2.9.3 y versiones anteriores, cuando se utiliza en modo de recuperación, permite a atacantes dependientes del contexto provocar una denegación de servicio (bucle infinito, consumo de pila y caída de la ... • https://packetstorm.news/files/id/136900 • CWE-674: Uncontrolled Recursion •

CVE-2016-2117 – kernel: Kernel memory leakage to ethernet frames due to buffer overflow in ethernet drivers
https://notcve.org/view.php?id=CVE-2016-2117
02 May 2016 — The atl2_probe function in drivers/net/ethernet/atheros/atlx/atl2.c in the Linux kernel through 4.5.2 incorrectly enables scatter/gather I/O, which allows remote attackers to obtain sensitive information from kernel memory by reading packet data. La función atl2_probe en drivers/net/ethernet/atheros/atlx/atl2.c en el kernel de Linux hasta la versión 4.5.2 activa incorrectamente scatter/gather I/O, lo que permite a atacantes remotos obtener información sensible de la memoria del kernel leyendo datos de paque... • http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f43bfaeddc79effbf3d0fcb53ca477cca66f3db8 • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') CWE-200: Exposure of Sensitive Information to an Unauthorized Actor •

CVE-2016-3960 – Debian Security Advisory 3554-1
https://notcve.org/view.php?id=CVE-2016-3960
19 Apr 2016 — Integer overflow in the x86 shadow pagetable code in Xen allows local guest OS users to cause a denial of service (host crash) or possibly gain privileges by shadowing a superpage mapping. Desbordamiento de entero en el código shadow pagetable en Xen permite a usuarios locales del SO invitado provocar una denegación de servicio (caída de host) o posiblemente obtener privilegios sombreando un mapeo de superpágina. Multiple vulnerabilities have been discovered in the Xen hypervisor. • http://lists.fedoraproject.org/pipermail/package-announce/2016-April/183275.html • CWE-264: Permissions, Privileges, and Access Controls •

CVE-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 •

CVE-2016-3159 – Debian Security Advisory 3554-1
https://notcve.org/view.php?id=CVE-2016-3159
13 Apr 2016 — The fpu_fxrstor function in arch/x86/i387.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 fpu_fxrstor en arch/x86/i387.c en Xen 4.x no maneja correctamente escrituras al bit FSW.ES hardware cuando se ejecuta en proc... • 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 •