USN-3371-1: Linux kernel (HWE) kernel vulnerabilities

Ubuntu Security Notice USN-3371-1

28th July, 2017

linux-hwe vulnerabilities

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

• Ubuntu 16.04 LTS

Summary

Several security issues were fixed in the Linux kernel.

Software description

• linux-hwe
  - Linux hardware enablement (HWE) kernel
  
  

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). ()

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).
()

Update instructions

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

Ubuntu 16.04 LTS:

To update your system, please follow these instructions:
,

,

CVE-2017-9605