Ubuntu Security Notice 3189-2 – USN-3189-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement kernel from Ubuntu 16.04 LTS for Ubuntu 14.04 LTS. Mikulas Patocka discovered that the asynchronous multibuffer cryptographic daemon in the Linux kernel did not properly handle being invoked with incompatible algorithms. A local attacker could use this to cause a denial of service. Various other issues were also addressed.