On Wed, 2 Jun 1999, Pollywog wrote:
> I had this problem yesterday and the cause is a faulty package, the one
> containing the su executable. It needs to be reset suid root.
There's a fix available now. From the changelog:
shellutils (1.16-6.5) unstable; urgency=high
* Fix su not-suid-root problem (closes #38776, #38766, #38750, #38752,
#38761, ...); needs a recent debhelper to compile, though (>=1.2.44
should be OK)