[Bug 55804] /proc/kcore not openable

[Matthias Kretz]

Public bug reported:

Binary package hint: linux-image-2.6.15-26-686

/proc/kcore is available, but opening it as root always returns -EPERM.

It really should be readable as root - and it is in vanilla kernels and
also in the kernels on previous ubuntu releases. If you found a security
reason to to allow reading of /proc/kcore as root you could just as well
remove the (pseudo) file. I don't see the added security - only that I
lost data which I could have recovered if only I could have read
/proc/kcore.

** Affects: linux-source-2.6.15 (Ubuntu)
     Importance: Untriaged
         Status: Unconfirmed

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/proc/kcore not openable
https://launchpad.net/bugs/55804