Re: [PATCH] selinux: normalize input to /sys/fs/selinux/enforce

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On Fri, Nov 18, 2016 at 9:30 AM, Stephen Smalley <sds@xxxxxxxxxxxxx> wrote:
> At present, one can write any signed integer value to
> /sys/fs/selinux/enforce and it will be stored,
> e.g. echo -1 > /sys/fs/selinux/enforce or echo 2 >
> /sys/fs/selinux/enforce. This makes no real difference
> to the kernel, since it only ever cares if it is zero or non-zero,
> but some userspace code compares it with 1 to decide if SELinux
> is enforcing, and this could confuse it. Only a process that is
> already root and is allowed the setenforce permission in SELinux
> policy can write to /sys/fs/selinux/enforce, so this is not considered
> to be a security issue, but it should be fixed.
>
> Signed-off-by: Stephen Smalley <sds@xxxxxxxxxxxxx>

Merged, thanks.

-- 
paul moore
www.paul-moore.com
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