Ubuntu 17.10: USN-3505-1 Critical Wireless Firmware Threats

ubuntu

December 6, 2017

Several security issues were fixed in linux-firmware.

Summary

Several security issues were fixed in linux-firmware.

Software Description:

- linux-firmware: Firmware for Linux kernel drivers

Details:

Mathy Vanhoef discovered that the firmware for several Intel WLAN

devices incorrectly handled WPA2 in relation to Wake on WLAN. A

remote attacker could use this issue with key reinstallation attacks

to obtain sensitive information. (CVE-2017-13080, CVE-2017-13081)

Topics Covered

security advisory critical issue wireless threat linux-firmware ubuntu 17.10

Update Instructions

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

Ubuntu 17.10:
  linux-firmware                  1.169.1

Ubuntu 17.04:
  linux-firmware                  1.164.2

Ubuntu 16.04 LTS:
  linux-firmware                  1.157.14

Ubuntu 14.04 LTS:
  linux-firmware                  1.127.24

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