Description: infoleak due to incorrect andling of SG_IO ioctl
References:
 http://www.openwall.com/lists/oss-security/2018/06/08/1
Notes:
Bugs:
upstream: released (4.17-rc7) [a45b599ad808c3c982fdcdc12b0b8611c2f92824]
4.9-upstream-stable: released (4.9.103) [ad2518320bc440ed3db072e2444a1bb226a9cf7a]
3.16-upstream-stable: released (3.16.58) [582802e7c617cfb07cc15f280c128e6decbc57b8]
sid: released (4.16.12-1)
4.9-stretch-security: released (4.9.107-1)
3.16-jessie-security: released (3.16.57-1) [bugfix/all/scsi-sg-allocate-with-__gfp_zero-in-sg_build_indirec.patch]