From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-244116.protonmail.ch (mail-244116.protonmail.ch [109.224.244.116]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 63557248886 for ; Wed, 17 Jun 2026 02:26:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=109.224.244.116 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781663167; cv=none; b=XHj7Vw9BTQ9Go2alK+480AzjyxkNmoN4U8EwL89rvvCR44Q4ODWbdZVxr87inDnU+nCP/eNkH81m5gDXQ4vPkWtMZFN6wMXckgZapeXdhnRcOng2VJ39icDD7rQavIjxphaN3ryY2XwHtQiyJkSVX3lzNvwRNOufw66tPQRFKkc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781663167; c=relaxed/simple; bh=XWkT0S6L+d+2Zh4pMvZhCzEN+mCK+F8W5cQsmwgihxo=; h=Date:To:From:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=Y4gj/nU3rEPjQfR1rwJJ2/YaUPLXfB0ggZzYRbPnxIr8QlNP4Us8phu3BHdU3d6rVniPtCC610BhwYhG8PfaPO9HFeNkCj+CLrji8DB9KblAk1cuk1fpOv3MfBqJ2D0yYhbbSJfmwn8IsPlZhDIYfiIxMTcpHClWkjqA6K+2JGs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=proton.me; spf=pass smtp.mailfrom=proton.me; dkim=pass (2048-bit key) header.d=proton.me header.i=@proton.me header.b=ZWWsnlaA; arc=none smtp.client-ip=109.224.244.116 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=proton.me Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=proton.me Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=proton.me header.i=@proton.me header.b="ZWWsnlaA" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=proton.me; s=protonmail; t=1781663155; x=1781922355; bh=XWkT0S6L+d+2Zh4pMvZhCzEN+mCK+F8W5cQsmwgihxo=; h=Date:To:From:Cc:Subject:Message-ID:In-Reply-To:References: Feedback-ID:From:To:Cc:Date:Subject:Reply-To:Feedback-ID: Message-ID:BIMI-Selector; b=ZWWsnlaAyAMlshPzCPxE90WIFw4+Fxkm/0mjPCf6fM113V9NgxrW8Odi/W8QhSQ19 2W1yTYU8IKt6saGEqqtLbt7TOrzNnWGgxD898sTsiywk8XAcVEyUB7V6/92DyS9Bde XDf01jqvFJjJGFxp+IRnoGyeOt0LBD2dEzTFsB5RQfKIluCiN8N9vjWGD0LpIhLr+C lqWdftg/BuIvqyd7HJg2v5wngERBuZgVbjT0VjTIJVXYsJL00m8MOeofWEuLKTJB0c M1vOy3zBx2ZpEJAT+9SjgbgXRp361JnYucBI34pCerpWkY69YqlSI6JsFQR74Abzjb Af8ZY5R8+gunw== Date: Wed, 17 Jun 2026 02:25:48 +0000 To: Jens Axboe From: Bryam Vargas Cc: =?utf-8?Q?Micka=C3=ABl_Sala=C3=BCn?= , =?utf-8?Q?G=C3=BCnther_Noack?= , linux-security-module@vger.kernel.org Subject: Re: Landlock: LANDLOCK_ACCESS_FS_IOCTL_DEV bypass via io_uring IORING_OP_URING_CMD Message-ID: <20260617022541.328550-1-hexlabsecurity@proton.me> In-Reply-To: References: <20260616201633.275067-1-hexlabsecurity@proton.me> Feedback-ID: 199661219:user:proton X-Pm-Message-ID: 69dbd47064b6102bc5e735dc8555ef902d531dce Precedence: bulk X-Mailing-List: linux-security-module@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Thanks Jens =E2=80=94 noted, the fix belongs in Landlock. Micka=C3=ABl has = the full report. Bryam