Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755250Ab3IIPzY (ORCPT ); Mon, 9 Sep 2013 11:55:24 -0400 Received: from cavan.codon.org.uk ([93.93.128.6]:44955 "EHLO cavan.codon.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754507Ab3IIPwJ (ORCPT ); Mon, 9 Sep 2013 11:52:09 -0400 From: Matthew Garrett To: linux-kernel@vger.kernel.org Cc: keescook@chromium.org, gregkh@linuxfoundation.org, hpa@zytor.com, linux-efi@vger.kernel.org, jmorris@namei.org, linux-security-module@vger.kernel.org, Matthew Garrett Subject: [PATCH 02/12] Enforce module signatures when securelevel is greater than 0 Date: Mon, 9 Sep 2013 11:49:36 -0400 Message-Id: <1378741786-18430-3-git-send-email-matthew.garrett@nebula.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1378741786-18430-1-git-send-email-matthew.garrett@nebula.com> References: <1378741786-18430-1-git-send-email-matthew.garrett@nebula.com> X-SA-Do-Not-Run: Yes X-SA-Exim-Connect-IP: 2001:470:1f07:1371:5d52:9ee3:3e84:6668 X-SA-Exim-Mail-From: matthew.garrett@nebula.com X-SA-Exim-Scanned: No (on cavan.codon.org.uk); SAEximRunCond expanded to false Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 931 Lines: 29 If securelevel has been set to 1 or greater, require that all modules have valid signatures. Signed-off-by: Matthew Garrett --- kernel/module.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/module.c b/kernel/module.c index dc58274..ab126d7 100644 --- a/kernel/module.c +++ b/kernel/module.c @@ -2487,7 +2487,7 @@ static int module_sig_check(struct load_info *info) if (err < 0 && fips_enabled) panic("Module verification failed with error %d in FIPS mode\n", err); - if (err == -ENOKEY && !sig_enforce) + if ((err == -ENOKEY && !sig_enforce) && (get_securelevel() <= 0)) err = 0; return err; -- 1.8.3.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/