Ubuntu Security Notice 3190-2 – 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. It was discovered that a use-after-free existed in the KVM susbsystem of the Linux kernel when creating devices. A local attacker could use this to cause a denial of service. Various other issues were also addressed.