CVE-2025-48990 NeKernel has Heap Overflow in `rt_copy_memory`

NeKernal is a free and open-source operating system stack. Version 0.0.2 has a 1-byte heap overflow in rtcopymemory, which unconditionally wrote a null terminator at dstlen. When len equals the size of the destination buffer 256 bytes, that extra '\0' write overruns the buffer by one byte. To avo...