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.
| Software | From | Fixed in |
|---|---|---|
| linux / linux_kernel | - | 4.12.10.x |