The atyfb_ioctl function in drivers/video/fbdev/aty/atyfb_base.c in the Linux kernel through 4.12.10 does not initialize a certain data structure, which allows local users to obtain sensitive information from kernel stack memory by reading locations associated with padding bytes.
3.13.0-142.1914.4.0-98.121~14.04.14.4.0-98.1214.4.0-1039.484.13.0-1005.74.13.0-1002.54.4.0-1033.334.13.0-32.35~16.04.14.4.0-1009.144.4.0-1076.84Exploitability
AV:LAC:LPR:LUI:NScope
S:UImpact
C:HI:NA:NCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N