Ubuntu has released security updates to address vulnerabilities in Linux kernel, salt, Kerberos, Django and wpa_supplicant. Exploitation of these vulnerabilities may allow an attacker to take control of affected system.
Users and administrators are encouraged to review Ubuntu Security Advisories USN-6952-1, USN-6948-1, USN-6947-1, USN-6946-1 and USN-6945-1 and apply necessary updates.