Messages in this thread | | | Subject | Re: [patch 2/2] selinux: add executable heap check | From | Stephen Smalley <> | Date | Wed, 22 Jun 2005 07:39:35 -0400 |
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On Wed, 2005-06-22 at 03:51 +0200, Lorenzo Hernández García-Hierro wrote: > This patch,based on sample code by Roland McGrath, adds an execheap > permission check that controls the ability to make the heap executable > so that this can be prevented in almost all cases (the X server is > presently an exception, but this will hopefully be resolved in the future) > so that even programs with execmem permission will need to have the anonymous > memory mapped in order to make it executable. > The only reason that we use a permission check for such restriction > (vs. making it unconditional) is that the X module loader presently > needs it; it could possibly be made unconditional in the future when > X is changed.
> Signed-off-by: Lorenzo Hernandez Garcia-Hierro <lorenzo@gnu.org> > --- > > security/selinux/hooks.c | 11 +++++++++++ > security/selinux/include/av_perm_to_string.h | 1 + > security/selinux/include/av_permissions.h | 1 + > 3 files changed, 13 insertions(+)
Acked-by: Stephen Smalley <sds@tycho.nsa.gov>
-- Stephen Smalley National Security Agency
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