From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793674998; b=hfAlGAvzgutknKHgGVXLDhL8+H2swJS1s61/bV2l/f7RnMgkp6revfaC6RgT50hQKa+E J5W7saNp2oiJ42R/hZvTZMvuQAzgs2rG/H6eVfw4iT9PnW8zDHvYEtSNeWFzZMe72xjaJ iefgGWpMsVXIg8lrG5uimdqTOnDOHtjgdfh3f8CqmMcNucOHunSIdpyE3Ooj3Qce4WV1n /z08avAkOMRL4AGn2WT3ePNDSJAklrhA/5xMdx70T8A+j2axZIgBNqBabRdWbqMyt72+2 KEk2uF/A0kv9xe5usWHaWKgNygenEcy26e+m6oZRKGNImN8H+26wTg8BFlbrQahRNbA== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793674998; h=Received:DKIM-Signature:From:To:Cc:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:MIME-Version:Content-Transfer-Encoding; bh=LMWGk9gDJDuKIuq5BO2Fto/mxAJ3HEcBl5y5WIpfXJ4=; b=sroZknxmImIS0wi0KASusx/UQxNVXloSzPyqpMhkDiUvpOKXEP/Hm14gl6FbJasfejgH z/A9tr54qmCpVOB3p373A22iCH4U/0ZjJtna4AD4G44IZmVxzabZBC9EdEJZl7gJ3qjfp uH3wKATmd8lZeIOP5aJa7IxcHBbfhDWG11Ks/MIKPDUT9Rs+Llwj1yrqXFNcEh1mVdaZ7 eh3QNrU3/b0kVCxV/Q78Fo1Z9bLHK7y0boRrYnxe/suHMShgsz2vw454pJg93IoLu3YRt FDZp7ZT0kivmqrbf4HxY8HeY43Y1u6BUfsXBET2wPoYld8JgFPqhx+YmOdBgtqjSedw== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=mjcwGPPJ; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with UTF8SMTPS id DB9D7606A327; Tue, 3 Nov 2026 03:03:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=mjcwGPPJ Received: by smtp.kernel.org (Postfix) with UTF8SMTPSA id 0E18A1F00A18; Tue, 3 Nov 2026 03:03:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1793674997; bh=LMWGk9gDJDuKIuq5BO2Fto/mxAJ3HEcBl5y5WIpfXJ4=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=mjcwGPPJo6fXy0uGEgHALXFhsfwXqZkmBQZTHuMatyVfYo9ZVASYOOXEQvJkki82M P25AEtdOYGsfgDqvyq9qZqAGj9M0gPtthKx+wUzy2FzV0rkaUhB3TxgoiZQGw+XPVN v1ffea+WCBsytjhUGg9LXD24UIre58NVSrktKxJJauVXmR/7RirB6d9IVvd3DLdbGD usJ6279QNk6ChFDJqkL9IbD+Wtk/5Iq2x/QqLphlSYB0Gv3zAKGFp4oIDG6mJUSmQv ySpCrf5EuODXvJBMkct9htQ/vbfn0NUjKOJdC6GPq5K0vROxhFF8qsJm0S8F6K2Sju 3zRBTsfgy/h3g== From: Jarkko Sakkinen To: David Howells Cc: Eric Biggers , linux-integrity@vger.kernel.org, Mimi Zohar , keyrings@vger.kernel.org, Jarkko Sakkinen , Roberto Sassu , Dmitry Kasatkin , Eric Snowberg , Paul Moore , James Morris , "Serge E. Hallyn" , Sumit Garg , James Bottomley , linux-security-module@vger.kernel.org (open list:SECURITY SUBSYSTEM), linux-kernel@vger.kernel.org (open list) Subject: [RFC PATCH v2 07/11] KEYS: trusted: TEE: Disable sysfs bind attributes Date: Tue, 3 Nov 2026 05:02:12 +0200 Message-ID: <20261103030226.2685251-8-jarkko@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20261103030226.2685251-1-jarkko@kernel.org> References: <20261103030226.2685251-1-jarkko@kernel.org> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Suppress sysfs bind and unbind attributes on trusted_key_driver so that userspace cannot unbind the driver and unregister key_type_trusted while the trusted module remains loaded. Signed-off-by: Jarkko Sakkinen --- security/keys/trusted-keys/trusted_tee.c | 1 + 1 file changed, 1 insertion(+) diff --git a/security/keys/trusted-keys/trusted_tee.c b/security/keys/trusted-keys/trusted_tee.c index 6e465c8bef5e..5d1288189e5c 100644 --- a/security/keys/trusted-keys/trusted_tee.c +++ b/security/keys/trusted-keys/trusted_tee.c @@ -264,6 +264,7 @@ static struct tee_client_driver trusted_key_driver = { .id_table = trusted_key_id_table, .driver = { .name = DRIVER_NAME, + .suppress_bind_attrs = true, }, }; -- 2.47.3