cifs-utils 2:4.5-1
_ [debian] cifs-utils 2:4.5-1
mount.cifs が suid-root でなくなった件だけど、
mount.cifs: re-enable setuid usage
Now that mount.cifs is safe(r) we don't need to disable setuid capability by default.
ref. [[linux-cifs-client] ANNOUNCE: cifs-utils release 4.2 available for download](http://lists.samba.org/archive/linux-cifs-client/2010-April/005738.html)
4.2 で復活してたようだ。