On 18/3/25 18:28, Tim via users wrote:
On Tue, 2025-03-18 at 08:43 +1100, Stephen Morris wrote:
Thanks Todd, it's been quite a while since I've used DMESG, but I don't
remember ever having to use sudo with it, nor do I remember ever seeing
the message about kernel buffer access being denied, but it just means I
will now have to always remember to use sudo with it. Although logically
it doesn't make sense to me, it is only a read so what damage can a read
do, but then there are also folders under /etc that you can't issue an
LS against without sudo, so I guess it's just the same thing.
It didn't need sudo in the past, but now it does. So you are
remembering correctly.
Supposedly, it could show an ordinary user something they shouldn't
know, hence the increased security, now.
It depends on what environment you are in, if you are in an
organisational environment then it is possible that it may show
something that is sensitive (although I work in an environment where
there are areas of the organisation that work with data they consider to
be sensitive enough that even organisation admins shouldn't have
visibility of it, only they should), but in a home environment that
level of sensitivity doesn't really apply.
regards,
Steve
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