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==========================================================================
Ubuntu Security Notice USN-3358-1
July 20, 2017

linux, linux-raspi2 vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 17.04

Summary:

Several security issues were fixed in the Linux kernel.

Software Description:
- linux: Linux kernel
- linux-raspi2: Linux kernel for Raspberry Pi 2

Details:

It was discovered that the Linux kernel did not properly initialize a Wake-
on-Lan data structure. A local attacker could use this to expose sensitive
information (kernel memory). (CVE-2014-9900)

Alexander Potapenko discovered a race condition in the Advanced Linux Sound
Architecture (ALSA) subsystem in the Linux kernel. A local attacker could
use this to expose sensitive information (kernel memory).
(CVE-2017-1000380)

Li Qiang discovered that the DRM driver for VMware Virtual GPUs in the
Linux kernel did not properly validate some ioctl arguments. A local
attacker could use this to cause a denial of service (system crash).
(CVE-2017-7346)

Murray McAllister discovered that the DRM driver for VMware Virtual GPUs in
the Linux kernel did not properly initialize memory. A local attacker could
use this to expose sensitive information (kernel memory). (CVE-2017-9605)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 17.04:
  linux-image-4.10.0-1011-raspi2  4.10.0-1011.14
  linux-image-4.10.0-28-generic   4.10.0-28.32
  linux-image-4.10.0-28-generic-lpae  4.10.0-28.32
  linux-image-4.10.0-28-lowlatency  4.10.0-28.32
  linux-image-generic             4.10.0.28.29
  linux-image-generic-lpae        4.10.0.28.29
  linux-image-lowlatency          4.10.0.28.29
  linux-image-raspi2              4.10.0.1011.13

After a standard system update you need to reboot your computer to make
all the necessary changes.

ATTENTION: Due to an unavoidable ABI change the kernel updates have
been given a new version number, which requires you to recompile and
reinstall all third party kernel modules you might have installed.
Unless you manually uninstalled the standard kernel metapackages
(e.g. linux-generic, linux-generic-lts-RELEASE, linux-virtual,
linux-powerpc), a standard system upgrade will automatically perform
this as well.

References:
  https://www.ubuntu.com/usn/usn-3358-1
  CVE-2014-9900, CVE-2017-1000380, CVE-2017-7346, CVE-2017-9605

Package Information:
  https://launchpad.net/ubuntu/+source/linux/4.10.0-28.32
  https://launchpad.net/ubuntu/+source/linux-raspi2/4.10.0-1011.14


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