Race condition in the sclp_ctl_ioctl_sccb function in drivers/s390/char/sclp_ctl.c in the Linux kernel before 4.6 allows local users to obtain sensitive information from kernel memory by changing a certain length value, aka a double fetch vulnerability. http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2016-6130
