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USN-3505-1: Linux firmware vulnerabilities

USN-3505-1: Linux firmware vulnerabilities

Ubuntu Security Notice USN-3505-1

6th December, 2017

linux-firmware vulnerabilities

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

Summary

Several security issues were fixed in linux-firmware.

Software description

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)

Update instructions

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

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

To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.

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

References

CVE-2017-13080,

CVE-2017-13081

Source: USN-3505-1: Linux firmware vulnerabilities

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