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://www.debian.org/security/2016/dsa-3616
http://www.securityfocus.com/archive/1/538803/30/0/threaded
http://www.securityfocus.com/bid/91540
https://bugzilla.kernel.org/show_bug.cgi?id=116741
https://github.com/torvalds/linux/commit/532c34b5fbf1687df63b3fcd5b2846312ac943c6
Source: MITRE
Published: 2016-07-03
Updated: 2016-11-28
Type: CWE-362
Base Score: 1.9
Vector: AV:L/AC:M/Au:N/C:P/I:N/A:N
Impact Score: 2.9
Exploitability Score: 3.4
Severity: LOW
Base Score: 4.7
Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
Impact Score: 3.6
Exploitability Score: 1
Severity: MEDIUM