Ubuntu Security Notice 2664-1 – A race condition was discovered in the Linux kernel’s file_handle size verification. A local user could exploit this flaw to read potentially sensitive memory locations. A underflow error was discovered in the Linux kernel’s Ozmo Devices USB over WiFi host controller driver. A remote attacker could exploit this flaw to cause a denial of service (system crash) or potentially execute arbitrary code via a specially crafted packet. Various other issues were also addressed.