Has Ubuntu been patched against the KRACK attack? [duplicate]
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:
hostapd 2.4-0ubuntu9.1
wpasupplicant 2.4-0ubuntu9.1 - Ubuntu 16.04 LTS:
hostapd 2.4-0ubuntu6.2
wpasupplicant 2.4-0ubuntu6.2 - Ubuntu 14.04 LTS:
hostapd 2.1-0ubuntu1.5
wpasupplicant 2.1-0ubuntu1.5
You should see an update of wpasupplicant during the update. More information about the attack is available on the GitHub page.