CVE-2025-68352 spi: ch341: fix out-of-bounds memory access in ch341_transfer_one

In the Linux kernel, the following vulnerability has been resolved: spi: ch341: fix out-of-bounds memory access in ch341transferone Discovered by Atuin - Automated Vulnerability Discovery Engine. The 'len' variable is calculated as 'min32, trans-len + 1', which includes the 1-byte command header...