Jan Engelhardt wrote:
On Apr 6 2007 16:16, H. Peter Anvin wrote:
- users can use bind mounts without having to pre-configure them in
/etc/fstab
This is by far the biggest concern I see. I think the security implication of
allowing anyone to do bind mounts are poorly understood.
$ whoami
miklos
$ mount --bind / ~/down_under
later that day:
# userdel -r miklos
So both the source (/) and target (~/down_under) directory must be owned
by the user before --bind may succeed.
There may be other implications hpa might want to fill us in.
Consider backups, for example.
-hpa
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