Re: [PATCH v3 1/4] Add PR_{GET,SET}_NO_NEW_PRIVS to prevent execvefrom granting privs

[Kees Cook]

On Mon, Jan 30, 2012 at 8:17 AM, Andy Lutomirski <luto@xxxxxxxxxxxxxx> wrote:
> With this set, a lot of dangerous operations (chroot, unshare, etc)
> become a lot less dangerous because there is no possibility of
> subverting privileged binaries.
>
> This patch completely breaks apparmor.  Someone who understands (and
> uses) apparmor should fix it or at least give me a hint.
>
> Signed-off-by: Andy Lutomirski <luto@xxxxxxxxxxxxxx>

Looking forward to this -- it'll give us a lot more flexibility.

Reviewed-by: Kees Cook <keescook@xxxxxxxxxxxx>

-- 
Kees Cook
ChromeOS Security
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