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==========================================================================
Ubuntu Security Notice USN-3779-1
October 02, 2018

linux vulnerabilities
==========================================================================

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

- Ubuntu 12.04 ESM

Summary:

Several security issues were fixed in the Linux kernel.

Software Description:
- linux: Linux kernel

Details:

It was discovered that an integer overflow vulnerability existed in the
Linux kernel when loading an executable to run. A local attacker could use
this to gain administrative privileges. (CVE-2018-14634)

It was discovered that a stack-based buffer overflow existed in the iSCSI
target implementation of the Linux kernel. A remote attacker could use this
to cause a denial of service (system crash). (CVE-2018-14633)

Update instructions:

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

Ubuntu 12.04 ESM:
  linux-image-3.2.0-136-generic   3.2.0-136.182
  linux-image-3.2.0-136-generic-pae  3.2.0-136.182
  linux-image-3.2.0-136-highbank  3.2.0-136.182
  linux-image-3.2.0-136-omap      3.2.0-136.182
  linux-image-3.2.0-136-powerpc-smp  3.2.0-136.182
  linux-image-3.2.0-136-powerpc64-smp  3.2.0-136.182
  linux-image-3.2.0-136-virtual   3.2.0-136.182
  linux-image-generic             3.2.0.136.151
  linux-image-generic-pae         3.2.0.136.151
  linux-image-highbank            3.2.0.136.151
  linux-image-omap                3.2.0.136.151
  linux-image-powerpc             3.2.0.136.151
  linux-image-powerpc-smp         3.2.0.136.151
  linux-image-powerpc64-smp       3.2.0.136.151

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://usn.ubuntu.com/usn/usn-3779-1
  CVE-2018-14633, CVE-2018-14634


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