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Re: linux bugs (survival stories)?


From: Valdis.Kletnieks () vt edu
Date: Wed, 13 Apr 2005 12:18:26 -0400

On Wed, 13 Apr 2005 10:22:42 BST, pageexec () freemail hu said:

hey, it's not like i started to divert it ;-), it's just that you
said that "The last really big "trivial" issue with bypassing
noexec on mounted filesystems was closed" whereas it's simply not
true, better not spread this.

The ld-linux.so bypass *was* really big and trivial.

Although it's still possible to do the whole mmap()/mprotect() thing to
*still* get an executable, I'd classify it as "some thought and skill
required" as opposed to "type this command line".  It's not almost-impossible,
but I'd rate it a notch above "trivial"....

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