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=1794456199; b=Ccq+gyPyEjbdQKtvLj+8qGciAX8rcBiM4f/8dQ6M/b2vbuU7ADKrk36D9A/oGmnOQ22X 634QNilsf1rsknMOk66M9HAgITjTsDSMq6axzAAbU49RjKNKYJgtYa+Ax74L3MavsmBIE xqtK+vTtkq4833caRzFvii3/IApqervcGtLU+Cz9HAn3JtkEcHOe9GlFm9adrZ2se8zcP XfR9QW7CfyQuVlysW6mkhyG8TB8h4WB+39BGpRlP7hvGmBObma91HJ9C3Cli3g7kpOItI p8xTh2SrWua6XPeyAssjIZvGyubhE3LfIreOIX0FLzuV4c0b143OObypWaAIlOr/7fA== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794456199; h=Received:DKIM-Signature:From:To:Cc:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:MIME-Version:Content-Transfer-Encoding; bh=vAmBbl7y3+0vszpC7NISqKzYEAyqcXpf8J2UpgCfaS4=; b=RX3Py4HOzvCVNCxuUvPRDAqDBjYzPzP5KKiYnLzW8gzNGyU2KJLhSj5AIk7IxWGA1YDY s32EpdN8igk7hWfqMhe5n3tCL9TmFr7527Q5MDyM5me35RKwE8IxKb9u+ulJGq2LglX8r GtIzp6DgchonBbO0WgEM9/tqm6jhu7yvMulZEVW1aa6lkcXsMHFS8DHQdKDnSlsBwGwDY imyrTDG3BNPYdOzuQObKUp0g8WjUJmWoMqe+B+ikNhNq4M4LN/vLAl8icVLKisbUjpk2x mlQ+Z5rmC2cQExPJTn8anj40+jn/vJITxeuCWc9mrphfd02yLUFFaRdPHpfxFOD4fUQ== 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=BQLnhOyc; 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 EB30060A5BEB; Thu, 12 Nov 2026 04:03:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=BQLnhOyc Received: by smtp.kernel.org (Postfix) with UTF8SMTPSA id D7DB01F00A05; Thu, 12 Nov 2026 04:03:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794456198; bh=vAmBbl7y3+0vszpC7NISqKzYEAyqcXpf8J2UpgCfaS4=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=BQLnhOycQhF7tDbiFeh2T7Wry+wOBuzza3/3y86KSqOFPmZhYDfFSSxOEplDDs4eA 0t+bvoCdhkvxyMqzC9g7svnN8QXOIVHuMBgyYzvfRu0Sx7NhVaUzGpCOFBPg9IXAfK GRAwwHMXCmzY+6UT2dim6yMiH5Za1ukCfyRFvOQwIu7b3W1mAuryDcb8Dg8MI0gKui J1wQt0z9mQ+29PcZXEsJfPOHBQcusJCQcbj4fijZUrXL0yQQb5ygpkaGA3QMKoo/oj oSX+Tg/TdaAzObKCn3Sxwbwt30fYU5PNQVZKw+StxpvjNtjKklt85CJbqxnO4I5CBP autlx9MYAIqyQ== From: Jarkko Sakkinen To: David Howells Cc: Jarkko Sakkinen , keyrings@vger.kernel.org, linux-afs@lists.infradead.org, linux-cifs@vger.kernel.org, linux-integrity@vger.kernel.org, linux-kernel@vger.kernel.org, linux-nfs@vger.kernel.org, linux-s390@vger.kernel.org, linux-security-module@vger.kernel.org, netdev@vger.kernel.org, Alexander Gordeev , Anna Schumaker , Bharath SM , Christian Borntraeger , "David S. Miller" , Eric Biggers , Eric Dumazet , Heiko Carstens , Jakub Kicinski , James Bottomley , James Morris , Marc Dionne , Mimi Zohar , Namjae Jeon , Paolo Abeni , Paul Moore , Paulo Alcantara , Ronnie Sahlberg , "Serge E. Hallyn" , Shyam Prasad N , Simon Horman , Sumit Garg , Sven Schnelle , Tom Talpey , Trond Myklebust , Vasily Gorbik , Sumit Garg Subject: [PATCH v6 08/13] KEYS: trusted: TEE: Disable sysfs bind attributes Date: Thu, 12 Nov 2026 06:02:37 +0200 Message-ID: <20261112040242.247168-9-jarkko@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20261112040242.247168-1-jarkko@kernel.org> References: <20261112040242.247168-1-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. Reviewed-by: Sumit Garg Signed-off-by: Jarkko Sakkinen --- security/keys/trusted-keys/trusted_tee.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/security/keys/trusted-keys/trusted_tee.c b/security/keys/trusted-keys/trusted_tee.c index ad9c7baddcef..87ea549f7f0b 100644 --- a/security/keys/trusted-keys/trusted_tee.c +++ b/security/keys/trusted-keys/trusted_tee.c @@ -307,7 +307,8 @@ static struct tee_client_driver trusted_key_driver = { .remove = trusted_key_remove, .id_table = trusted_key_id_table, .driver = { - .name = DRIVER_NAME, + .name = DRIVER_NAME, + .suppress_bind_attrs = true, }, }; -- 2.47.3