Ubuntu Security Notice 3291-2 - USN-3291-1 fixed vulnerabilities in the generic Linux kernel. This update provides the corresponding updates for the Linux kernel built for specific processors and cloud environments. Dmitry Vyukov discovered that the generic SCSI subsystem in the Linux kernel contained a stack-based buffer overflow. A local attacker with access to an sg device could use this to cause a denial of service or possibly execute arbitrary code. Various other issues were also addressed.