Ubuntu
bash package

  1. Bug #452175
  2. Comment #28

Comment 28 for bug 452175

Revision history for this message
Kees Cook (kees) wrote :

Here is a minimal test-case for brk crashing into other segments. This is nearly identical to the upstream issue seen with text ASLR, so the nx-emu allocation methods need to be adjusted to match what was done to upstream text ASLR to avoid brk collisions (with upstream, the text area is always at the highest segment address):
http://lkml.org/lkml/2007/8/14/325