CVE-2026-31570 can: gw: fix OOB heap access in cgw_csum_crc8_rel()

In the Linux kernel, the following vulnerability has been resolved: can: gw: fix OOB heap access in cgwcsumcrc8rel cgwcsumcrc8rel correctly computes bounds-safe indices via calcidx: int from = calcidxcrc8-fromidx, cf-len; int to = calcidxcrc8-toidx, cf-len; int res = calcidxcrc8-resultidx, cf-len...