CVE-2025-37816 mei: vsc: Fix fortify-panic caused by invalid counted_by() use

In the Linux kernel, the following vulnerability has been resolved: mei: vsc: Fix fortify-panic caused by invalid countedby use gcc 15 honors the countedbylen attribute on vsctppacket.buf and the vsc-tp.c code is using this in a wrong way. len does not contain the available size in the buffer, it...