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=1793840024; b=m0FkGyR9hRzJHhABbkPh7P9bkYSv2x3gByT9w9wpb6DTtMaLcGZl2j0hzyA2gfUCI3YM +IpevdNukS1QrshP17lZEmkmxOWl/c3PydryAaw4cJcKO0muPguKT0TsEEFDeKhaY+/dH PlsMptQ5LULtOKaWu9F4NiYM7rgg2AOf657nbcVPfkcSLiB61ehS0r8iFdHgmfJ7WTjpn C0sKQKiQ5J2LOeLz4YzNRlRQjUuVycd5U1PNkJKpB6rJnTvABjdyOMbovnxiOeMkxd9zF mq6drRMlWepI8NeoIZGSHCl9NtHXjxJlf3lRJj00+k+/Fh1TknYywweEEGjjBm/P8dQ== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793840024; h=Received:DKIM-Signature:From:To:Cc:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:MIME-Version:Content-Transfer-Encoding; bh=Z7jZ+M0oFygNY7P+h2LVhxc/2HWt59gTYhBbgn7xubc=; b=F7sJ6idIZEEn933st8768vHBs+zSgY3qyKOYDZJMaScD54Gy+epYTrPt75BawjFn6O3x P6h6N3o9BzamWCtNcblBk1JieKkCuJimz+TETRJxShmy2/WB793WwNvDy+UWYH4SJMZV4 G81RmEF41hSPOw6yfLJ5IkYqdfl3gRAhgsVYUzNABw2PhVwHKvQBSviisQdDNAOgAdQoM zmla8ALZwO5GPOdjE53t1uF97b5L4/5eTi4HR+aRXV5klKSNrjAVFhOq79CyGzlqPimeV dPHFjyVrUtio1OmO4GxSdXOaSUjxQKyXH0LGw066GnOzY54u7H6CpiUS07EJ7+dom6Q== 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=exTfoei9; 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 E2247606EEB0; Thu, 5 Nov 2026 00:53:43 +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=exTfoei9 Received: by smtp.kernel.org (Postfix) with UTF8SMTPSA id C55AE1F00A17; Thu, 5 Nov 2026 00:53:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1793840023; bh=Z7jZ+M0oFygNY7P+h2LVhxc/2HWt59gTYhBbgn7xubc=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=exTfoei9d7BgOGQb7Hfw71Xw8mCLmhdklyveM/TYAjl9PLLS++Pww2jAq2Ic5m9Pr a7iCjfRw2zIsRM0uYbigGxgJY/QgJEbesmV0/5soZwHwu7l62rIIQPbWOLjQlu95Yu gYYN3X8GDctITK7h7CoiXOF3w5Z2mACGmWz4XRrvEXWAy8bRkfmG837u8O2lFFhZ3p xwuVVUsI6FYQhyT1XSxAfQ2mPMSy6qZcxdALvVH6xolUmhr/jrC+4Gz2wciUyj7h0C aDRcCdRzMZ++9vvSEhKIEs8xntiWyAVi+ymjRrBQqP5YzG5wtO0GDPm43i2f2P7hjw e9E6EWerZm6lw== 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, samba-technical@lists.samba.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 Subject: [RFC PATCH v3 06/11] KEYS: trusted: TEE: Disable sysfs bind attributes Date: Thu, 5 Nov 2026 02:53:05 +0200 Message-ID: <20261105005311.804098-7-jarkko@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20261105005311.804098-1-jarkko@kernel.org> References: <20261105005311.804098-1-jarkko@kernel.org> X-Mailing-List: linux-integrity@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 | 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 6e465c8bef5e..227efb668aa9 100644 --- a/security/keys/trusted-keys/trusted_tee.c +++ b/security/keys/trusted-keys/trusted_tee.c @@ -263,7 +263,8 @@ 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