
CVE-2016-6197 – kernel: overlayfs: missing upper dentry verification before unlink and rename
https://notcve.org/view.php?id=CVE-2016-6197
06 Aug 2016 — fs/overlayfs/dir.c in the OverlayFS filesystem implementation in the Linux kernel before 4.6 does not properly verify the upper dentry before proceeding with unlink and rename system-call processing, which allows local users to cause a denial of service (system crash) via a rename system call that specifies a self-hardlink. fs/overlayfs/dir.c en la implementación del sistema de archivos OverlayFS en el kernel de Linux en versiones anteriores a 4.6 no verifica adecuadamente la dentry superior antes de proced... • http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=11f3710417d026ea2f4fcf362d866342c5274185 • CWE-20: Improper Input Validation CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') •

CVE-2016-6198 – kernel: vfs: missing detection of hardlinks in vfs_rename() on overlayfs
https://notcve.org/view.php?id=CVE-2016-6198
06 Aug 2016 — The filesystem layer in the Linux kernel before 4.5.5 proceeds with post-rename operations after an OverlayFS file is renamed to a self-hardlink, which allows local users to cause a denial of service (system crash) via a rename system call, related to fs/namei.c and fs/open.c. La capa del sistema de archivos en el kernel de Linux en versiones anteriores a 4.5.5 procede con operaciones de cambio de nombre después de que un archivo OverlayFS es cambiado de nombre a un self-hardlink, lo que permite a usuarios ... • http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=54d5ca871e72f2bb172ec9323497f01cd5091ec7 • CWE-284: Improper Access Control CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') •

CVE-2016-5696 – kernel: challenge ACK counter information disclosure.
https://notcve.org/view.php?id=CVE-2016-5696
06 Aug 2016 — net/ipv4/tcp_input.c in the Linux kernel before 4.7 does not properly determine the rate of challenge ACK segments, which makes it easier for remote attackers to hijack TCP sessions via a blind in-window attack. net/ipv4/tcp_input.c en el kernel de Linux en versiones anteriores a 4.7 no determina adecuadamente la tasa de segmentos de desafío ACK, lo que facilita a atacantes remotos secuestrar sesiones TCP a través de un ataque ciego en ventana. It was found that the RFC 5961 challenge ACK rate limiting as i... • https://github.com/Gnoxter/mountain_goat • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor CWE-203: Observable Discrepancy •

CVE-2016-5403 – Qemu: virtio: unbounded memory allocation on host via guest leading to DoS
https://notcve.org/view.php?id=CVE-2016-5403
02 Aug 2016 — The virtqueue_pop function in hw/virtio/virtio.c in QEMU allows local guest OS administrators to cause a denial of service (memory consumption and QEMU process crash) by submitting requests without waiting for completion. La función virtqueue_pop en hw/virtio/virtio.c en QEMU permite a administradores locales del SO invitado provocar una denegación de servicio (consumo de memoria y caida del proceso QUEMU) mediante la presentación de solicitudes sin esperar la finalización. Quick Emulator (QEMU) built with ... • http://rhn.redhat.com/errata/RHSA-2016-1585.html • CWE-400: Uncontrolled Resource Consumption •

CVE-2016-3632 – libtiff: out-of-bounds write in _TIFFVGetField function
https://notcve.org/view.php?id=CVE-2016-3632
02 Aug 2016 — The _TIFFVGetField function in tif_dirinfo.c in LibTIFF 4.0.6 and earlier allows remote attackers to cause a denial of service (out-of-bounds write) or execute arbitrary code via a crafted TIFF image. La función _TIFFVGetField en tif_dirinfo.c en LibTIFF 4.0.6 y versiones anteriores permite a atacantes remotos provocar una denegación de servicio (escritura fuera de límites) o ejecutar código arbitrario a través de una imagen TIFF manipulada. The libtiff packages contain a library of functions for manipulati... • http://bugzilla.maptools.org/show_bug.cgi?id=2549 • CWE-787: Out-of-bounds Write •

CVE-2016-3945 – libtiff: out-of-bounds write in the tiff2rgba tool
https://notcve.org/view.php?id=CVE-2016-3945
02 Aug 2016 — Multiple integer overflows in the (1) cvt_by_strip and (2) cvt_by_tile functions in the tiff2rgba tool in LibTIFF 4.0.6 and earlier, when -b mode is enabled, allow remote attackers to cause a denial of service (crash) or execute arbitrary code via a crafted TIFF image, which triggers an out-of-bounds write. Múltiples desbordamientos de entero en las funciones (1) cvt_by_strip y (2) cvt_by_tile en la herramienta tiff2rgba en LibTIFF 4.0.6 y versiones anteriores, cuando está habilitado el modo -b, permiten a ... • http://bugzilla.maptools.org/show_bug.cgi?id=2545 • CWE-190: Integer Overflow or Wraparound CWE-787: Out-of-bounds Write •

CVE-2016-3990 – libtiff: out-of-bounds write in horizontalDifference8()
https://notcve.org/view.php?id=CVE-2016-3990
02 Aug 2016 — Heap-based buffer overflow in the horizontalDifference8 function in tif_pixarlog.c in LibTIFF 4.0.6 and earlier allows remote attackers to cause a denial of service (crash) or execute arbitrary code via a crafted TIFF image to tiffcp. Desbordamiento de búfer basado en memoria dinámica en la función horizontalDifference8 en tif_pixarlog.c en LibTIFF 4.0.6 y versiones anteriores permite a atacantes remotos provocar una denegación de servicio (caída) o ejecutar código arbitrario a través de una imagen TIFF man... • http://bugzilla.maptools.org/show_bug.cgi?id=2544 • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer CWE-787: Out-of-bounds Write •

CVE-2016-3991 – libtiff: out-of-bounds write in loadImage() function
https://notcve.org/view.php?id=CVE-2016-3991
02 Aug 2016 — Heap-based buffer overflow in the loadImage function in the tiffcrop tool in LibTIFF 4.0.6 and earlier allows remote attackers to cause a denial of service (out-of-bounds write) or execute arbitrary code via a crafted TIFF image with zero tiles. Desbordamiento de búfer basado en memoria dinámica en la función loadImage en la herramienta tiffcrop en LibTIFF 4.0.6 y versiones anteriores permite a atacantes remotos provocar una denegación de servicio (escritura fuera de límites) o ejecutar código arbitrario a ... • http://bugzilla.maptools.org/show_bug.cgi?id=2543 • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer CWE-787: Out-of-bounds Write •

CVE-2016-4470 – kernel: Uninitialized variable in request_key handling causes kernel crash in error handling path
https://notcve.org/view.php?id=CVE-2016-4470
27 Jun 2016 — The key_reject_and_link function in security/keys/key.c in the Linux kernel through 4.6.3 does not ensure that a certain data structure is initialized, which allows local users to cause a denial of service (system crash) via vectors involving a crafted keyctl request2 command. La función key_reject_and_link en security/keys/key.c en el kernel de Linux hasta la versión 4.6.3 no asegura que cierta estructura de datos esté inicializada, lo que permite a usuarios locales provocar una denegación de servicio (caí... • http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=38327424b40bcebe2de92d07312c89360ac9229a • CWE-253: Incorrect Check of Function Return Value •

CVE-2016-4962 – Debian Security Advisory 3633-1
https://notcve.org/view.php?id=CVE-2016-4962
07 Jun 2016 — The libxl device-handling in Xen 4.6.x and earlier allows local OS guest administrators to cause a denial of service (resource consumption or management facility confusion) or gain host OS privileges by manipulating information in guest controlled areas of xenstore. libxl device-handling en Xen 4.6.x y versiones anteriores permite a administradores locales invitados de SO provocar una denegación de servicio (consumo de recurso o confusión de facilidad de gestión) u obtener privilegios de anfitrión de SO man... • http://www.debian.org/security/2016/dsa-3633 • CWE-264: Permissions, Privileges, and Access Controls •