The mm_init function in kernel/fork.c in the Linux kernel before 4.12.10 does not clear the ->exe_file member of a new process's mm_struct, allowing a local attacker to achieve a use-after-free or possibly have unspecified other impact by running a specially crafted program.
| Software | From | Fixed in |
|---|---|---|
| linux / linux_kernel | 4.7 | 4.9.46 |
| linux / linux_kernel | 4.10 | 4.12.10 |