Ubuntu 4734-1: wpa_supplicant and hostapd vulnerabilities
Summary
Update Instructions
The problem can be corrected by updating your system to the following package versions: Ubuntu 20.10: hostapd 2:2.9-1ubuntu8.1 wpasupplicant 2:2.9-1ubuntu8.1 Ubuntu 20.04 LTS: hostapd 2:2.9-1ubuntu4.2 wpasupplicant 2:2.9-1ubuntu4.2 Ubuntu 18.04 LTS: hostapd 2:2.6-15ubuntu2.7 wpasupplicant 2:2.6-15ubuntu2.7 Ubuntu 16.04 LTS: hostapd 1:2.4-0ubuntu6.7 wpasupplicant 2.4-0ubuntu6.7 After a standard system update you need to reboot your computer to make all the necessary changes.
References
https://ubuntu.com/security/notices/USN-4734-1
CVE-2020-12695, CVE-2021-0326
Package Information
https://launchpad.net/ubuntu/+source/wpa/2:2.9-1ubuntu8.1 https://launchpad.net/ubuntu/+source/wpa/2:2.9-1ubuntu4.2 https://launchpad.net/ubuntu/+source/wpa/2:2.6-15ubuntu2.7 https://launchpad.net/ubuntu/+source/wpa/2.4-0ubuntu6.7