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Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.11.0 MIME-Version: 1.0 In-Reply-To: <5fb32353b1964299809fce0c7579a092@AcuMS.aculab.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 05.10.20 13:21, David Laight wrote: > From: David Hildenbrand >> Sent: 05 October 2020 10:55 > ... >>> If hardening and compatibility are seen as tradeoffs, perhaps there >>> could be a top level config choice (CONFIG_HARDENING_TRADEOFF) for this. >>> It would have options >>> - "compatibility" (default) to gear questions for maximum compatibility, >>> deselecting any hardening options which reduce compatibility >>> - "hardening" to gear questions for maximum hardening, deselecting any >>> compatibility options which reduce hardening >>> - "none/manual": ask all questions like before >> >> I think the general direction is to avoid an exploding set of config >> options. So if there isn't a *real* demand, I guess gluing this to a >> single option ("CONFIG_SECURITY_HARDENING") might be good enough. > > Wouldn't that be better achieved by run-time clobbering > of the syscall vectors? You mean via something like a boot parameter? Possibly yes. -- Thanks, David / dhildenb