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CVSS: 4.7EPSS: 0%CPEs: 2EXPL: 0

An information disclosure vulnerability in kernel components including the ION subsystem, Binder, USB driver and networking subsystem could enable a local malicious application to access data outside of its permission levels. This issue is rated as Moderate because it first requires compromising a privileged process. Product: Android. Versions: Kernel-3.10, Kernel-3.18. Android ID: A-31802656. • http://www.securityfocus.com/bid/94686 https://source.android.com/security/bulletin/2016-12-01.html • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor •

CVSS: 7.8EPSS: 0%CPEs: 9EXPL: 1

The ring_buffer_resize function in kernel/trace/ring_buffer.c in the profiling subsystem in the Linux kernel before 4.6.1 mishandles certain integer calculations, which allows local users to gain privileges by writing to the /sys/kernel/debug/tracing/buffer_size_kb file. La función ring_buffer_resize en kernel/trace/ring_buffer.c en el subsistema de creación de perfiles del kernel de Linux en versiones anteriores a 4.6.1 no maneja adecuadamente ciertos cálculos de entero, lo que permite a usuarios locales obtener privilegios escribiendo en el archivo /sys/kernel/debug/tracing/buffer_size_kb. • http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=59643d1535eb220668692a5359de22545af579f6 http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.6.1 http://www.securityfocus.com/bid/95278 https://github.com/torvalds/linux/commit/59643d1535eb220668692a5359de22545af579f6 https://source.android.com/security/bulletin/2017-01-01.html • CWE-190: Integer Overflow or Wraparound •

CVSS: 7.0EPSS: 0%CPEs: 8EXPL: 0

The sg implementation in the Linux kernel through 4.9 does not properly restrict write operations in situations where the KERNEL_DS option is set, which allows local users to read or write to arbitrary kernel memory locations or cause a denial of service (use-after-free) by leveraging access to a /dev/sg device, related to block/bsg.c and drivers/scsi/sg.c. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-9576. La implementación sg en el kernel Linux hasta la versión 4.9 no restringe correctamente operaciones de escritura en situaciones donde la opción KERNEL_DS está activa, lo que permite a usuarios locales leer o escribir a ubicacioes arbitrarias de memoria de kernel o provocar una denegación de servicio (uso despues de liberación) aprovechando el acceso al dispositivo /dev/sg, relacionado con block/bsg.c y drivers/scsi/sg.c. NOTA: esta vulnerabilidad existe debido a una reparación incompleta de CVE-2016-9576. It was found that the fix for CVE-2016-9576 was incomplete: the Linux kernel's sg implementation did not properly restrict write operations in situations where the KERNEL_DS option is set. • http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=128394eff343fc6d2f32172f03e24829539c5835 http://rhn.redhat.com/errata/RHSA-2017-0817.html http://www.openwall.com/lists/oss-security/2016/12/30/1 http://www.securityfocus.com/bid/95169 http://www.securitytracker.com/id/1037538 https://access.redhat.com/errata/RHSA-2017:1842 https://access.redhat.com/errata/RHSA-2017:2077 https://access.redhat.com/errata/RHSA-2017:2669 https://github.com/torvalds/linux • CWE-416: Use After Free •

CVSS: 7.0EPSS: 0%CPEs: 4EXPL: 0

kernel/events/core.c in the performance subsystem in the Linux kernel before 4.0 mismanages locks during certain migrations, which allows local users to gain privileges via a crafted application, aka Android internal bug 31095224. kernel/events/core.c en el subsistema de rendimiento en el kernel de Linux en versiones anteriores a 4.0 no gestiona adecuadamente bloqueos durante ciertas migraciones, lo que permite a usuarios locales obtener privilegios a través de una aplicación manipulada, vulnerabilidad también conocida como error interno 31095224. • http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f63a8daa5812afef4f06c962351687e1ff9ccb2b http://source.android.com/security/bulletin/2016-12-01.html http://www.debian.org/security/2017/dsa-3791 http://www.securityfocus.com/bid/94679 https://bugzilla.redhat.com/show_bug.cgi?id=1403842 https://github.com/torvalds/linux/commit/f63a8daa5812afef4f06c962351687e1ff9ccb2b • CWE-264: Permissions, Privileges, and Access Controls •

CVSS: 7.8EPSS: 0%CPEs: 1EXPL: 0

The netfilter subsystem in the Linux kernel before 4.9 mishandles IPv6 reassembly, which allows local users to cause a denial of service (integer overflow, out-of-bounds write, and GPF) or possibly have unspecified other impact via a crafted application that makes socket, connect, and writev system calls, related to net/ipv6/netfilter/nf_conntrack_reasm.c and net/ipv6/netfilter/nf_defrag_ipv6_hooks.c. El subsistema netfilter en el kernel de Linux en versiones anteriores a 4.9 no maneja adecuadamente reensamblaje IPv6, lo que permite a usuarios locales provocar una denegación de servicio (desbordamiento de entero, escritura fuera de límites y GPF) o posiblemente tener otro impacto no especificado a través de una aplicación manipulada que hace un socket, conecta y escribe llamadas al sistema, relacionado con net/ipv6/netfilter/nf_conntrack_reasm.c y net/ipv6/netfilter/nf_defrag_ipv6_hooks.c. • http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9b57da0630c9fd36ed7a20fc0f98dc82cc0777fa http://www.openwall.com/lists/oss-security/2016/12/01/10 http://www.securityfocus.com/bid/94626 https://bugzilla.redhat.com/show_bug.cgi?id=1400904 https://github.com/torvalds/linux/commit/9b57da0630c9fd36ed7a20fc0f98dc82cc0777fa https://groups.google.com/forum/#%21topic/syzkaller/GFbGpX7nTEo https://www.spinics.net/lists/netdev/msg407525.html • CWE-787: Out-of-bounds Write •