According to this article a severe flaw in wpa2 protocol has been published making many systems using WiFi vulnerable to an attack. Should I be worried and has a patch been issued for Ubuntu?
A fix has been issued as per USN-3455-1 . You should update your system with
sudo apt-get update && sudo apt-get upgrade. The relevant versions for currently supported releases:
- Ubuntu 17.04:
- Ubuntu 16.04 LTS:
- Ubuntu 14.04 LTS:
You should see an update of
wpasupplicant during the update. More information about the attack is available on the GitHub page.