CVE-2015-5154: ide: Check array bounds before writing to io_buffer (bz #1247143)
CVE-2015-3214: i8254: fix out-of-bounds memory access in pit_ioport_read() (bz #1243729)
CVE-2015-5154: pcnet: force the buffer access to be in bounds during tx (bz #1230538)
