Serious issue with serial console in 5.4

Kris Kennaway kris at obsecurity.org
Thu Jul 21 18:11:53 GMT 2005


On Thu, Jul 21, 2005 at 10:56:54AM +0200, Eirik ?verby wrote:

> >You might have to wait until 6.0-R since fixing it seems to require
> >infrastructure changes that cannot easily be backported to 5.x.
> 
> With all due respect - if this is (and I'm assuming it is, because it  
> happens on all the servers I'm serial-controlling) an omnipresent  
> problem on 5.x, I daresay it should warrant some more attention.  
> Having unsafe serial terminal support that can bring down your system  
> like that defies much of the point of having serial terminal support  
> in the first place.

It *has* received attention, and the conclusion was as above.  6.0 has
some significant TTY changes relative to 5.x, which probably cannot be
backported without disruption.

> However, since I seem to be the only one who has noticed this,  
> perhaps I'm the last person on earth to routinely use serial terminal  
> switches instead of KVM switches to do my admin work?

No, others have reported it too.

Kris
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