Searched hist:"5 a211a5d" (Results 1 – 1 of 1) sorted by relevance
| /openbmc/linux/mm/ |
| H A D | mmap.c | 5a211a5d Tue Dec 04 10:06:55 CST 2007 Eric Paris <eparis@redhat.com> VM/Security: add security hook to do_brk
Given a specifically crafted binary do_brk() can be used to get low
pages available in userspace virtually memory and can thus be used to
circumvent the mmap_min_addr low memory protection. Add security checks
in do_brk().
Signed-off-by: Eric Paris <eparis@redhat.com>
Acked-by: Alan Cox <alan@redhat.com>
Signed-off-by: James Morris <jmorris@namei.org>
5a211a5d Tue Dec 04 10:06:55 CST 2007 Eric Paris <eparis@redhat.com> VM/Security: add security hook to do_brk
Given a specifically crafted binary do_brk() can be used to get low
pages available in userspace virtually memory and can thus be used to
circumvent the mmap_min_addr low memory protection. Add security checks
in do_brk().
Signed-off-by: Eric Paris <eparis@redhat.com>
Acked-by: Alan Cox <alan@redhat.com>
Signed-off-by: James Morris <jmorris@namei.org>
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