On Wed, 18 Jan 2006, Ben Stern wrote:
According to the man page for mkisofs, suid bits are not cleared unless you
use -r when making the image:
If any of the special mode bits are set, clear them, because file locks
are not useful on a read-only file system, and set-id bits are not
desirable for uid 0 or gid 0.
So the answers are probably "yes" and "probably."
Most people's fstab will mount CDs with one of the user[s], owner or group
options. mount(8) says that they all imply noexec, nosuid and nodev. So I
think that's "yes" and "probably not".
Alexey