CVE-2026-98405 smb: client: fix missing iov bounds check in parse_posix_sids()

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix missing iov bounds check in parseposixsids In parseposixsids, sidsbufend is calculated using the server-supplied outlen without being validated against the actual length of the received iov iovlen. If a server...