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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 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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