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:
- Ubuntu 17.10
- Ubuntu 17.04
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
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)
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.
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