In the Linux kernel, the following vulnerability has been resolved: gpio: virtuser: fix potential out-of-bound write If the caller wrote more characters, count is truncated to the max available space in "simple_write_to_buffer". Check that the input size does not exceed the buffer size. Write a zero termination afterwards.
https://git.kernel.org/stable/c/b96feaaa0fda1e3871b438143c3446954b32d3a7
https://git.kernel.org/stable/c/afe090366f470f77e140ff3407db813f57852c04
https://git.kernel.org/stable/c/7118be7c6072f40391923543fdd1563b8d56377c