From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx.manguebit.com (mx.manguebit.com [167.235.159.17]) (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 ABF3833CA for ; Sat, 1 Jun 2024 21:21:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=pass smtp.client-ip=167.235.159.17 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717276910; cv=pass; b=IIz6C3CWWLPwXVz8Z5ok4ICFdCiDgmwfT4+3IbovQhPszqMcFQdg/pycVXKqJ6erHIRZ3Nn8RXlrYiy9PIDgai+71EnpR/l1lCedSSzCc7EYdi0TjqVo05/twIxsmEjnlKxCTF1Io+0El9ZgRk1khkltpAazIQ1GXZwdpT1//nw= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717276910; c=relaxed/simple; bh=IL3Kc27TPMpVYTtTOfpUuZBLBQVU5U7mB9kBjdq1fGc=; h=Message-ID:From:To:Cc:Subject:In-Reply-To:References:Date: MIME-Version:Content-Type; b=NQGA2ftSE8UgPCtrj7PWXqCO/UzbN6qKM0E15dYChDs3M5+zdOLFmTHcwNTymcilHWb4OlmMvcKy00Hkl3JWciPlzprR4r2fys6CWK9/fNyGQ+csuQaQWCqXrDZjmK0LrDJN95GwGBrjIQsecNZ6b4bHCkTboTAL0l2hLoHWWyY= ARC-Authentication-Results:i=2; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=manguebit.com; spf=pass smtp.mailfrom=manguebit.com; dkim=pass (2048-bit key) header.d=manguebit.com header.i=@manguebit.com header.b=jBZsONGP; arc=pass smtp.client-ip=167.235.159.17 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=manguebit.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=manguebit.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=manguebit.com header.i=@manguebit.com header.b="jBZsONGP" Message-ID: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=manguebit.com; s=dkim; t=1717276499; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=OWYb62EXLxOHE76NBIGS41kX5hmrqSLof9lSju10LiA=; b=jBZsONGPwxY9wO44frMvlfbGDilJ4NEysrX0i6ruDXnk4oYHp5xblHwqsBynPe2FM07E9Y iHR93KQHkU3Ig4senF8RG1aZxTZuYXfvV/2vPHvx4qWqMVjnl810b/tvaiJmtgoZPaIrY7 GUdieFqflv0vNDDlMgQtNM/+RLvMEq4Xb7q/8b5Nvw6arujX5X0Gb2f291PMly8c0mledN hCsnJ+DtFY4VpPzCBAvJ9FnR/++kp2L/4t1F8nW+hZmVpxmNK/kV3tdibvg6yEtgs86v7m tyF0IW3TJcLbgS7TX09hsXA9cuLPEAkplBpxKHq2lZpRX5F8MqJHOeeiA1RHVQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=manguebit.com; s=dkim; t=1717276499; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=OWYb62EXLxOHE76NBIGS41kX5hmrqSLof9lSju10LiA=; b=LTq96yAcc/wGqVqGhDCgrr/LTxG6795diJxM+5Y9x5TWGVivtkfox+I7UOM/7MqhH9LN0/ /fnJQ3Yci8ynFqbltkNVZEekmrEV1nPIkBG/S8n4gupKsy8CPAt9n+1BeHgi75yu4Zw5ld HPHv3CYTRifswqVIjtpC1hzJEia9nzJFZfwz8gX3W//PnCUkOaIEuDu4rwAQrDCgo5a+es LKcUMtHmrjhkhYfb2K89K2Z795XN24pllDAovn/eXEaFHJ6NHzxLtSIlY0oaxDScXVOj+z vwxVBUD43u4kLSlHPyVWM6w6R6hZrSMwD7mAUMg0TIt28J86qlvhtODiFAM1mA== ARC-Authentication-Results: i=1; ORIGINATING; auth=pass smtp.mailfrom=pc@manguebit.com ARC-Seal: i=1; s=dkim; d=manguebit.com; t=1717276499; a=rsa-sha256; cv=none; b=coDdWCuZL5daq6qVNC4HW4sCBbAed9oTAnczLbQkqQWPFLy2Z+C3mgaqZxTY9jCVMFaGns p0SBxsxr1AGeo+wk4uJ9uap/nql4//LRrLPHbuBsYj06pVNHmHho3VDMs6LQB7a7dacQhi Rmpq1j4UDxFy+nWgiqkxBJFn62og/Vsz/eDquDrZ1S2NT5ra1S5qx9bsGu73zO9Sw3ZBMe KGJ77sP7e60FvZlW78qlKQW77RSU1HPlTE5Jr6DgpV1hO7fDrjv9ZVOiHz6ylPRt5LJ8Nl O6NXO3D9WOJH14k8dk/9EaPfXoCCKsFZJB7L+xSYkdnmNZgGVbwccYJ74V3Gqg== From: Paulo Alcantara To: Wang Zhaolong , smfrench@gmail.com Cc: linux-cifs@vger.kernel.org Subject: Re: [PATCH 01/12] smb: client: fix potential UAF in cifs_debug_files_proc_show() In-Reply-To: References: <20240402193404.236159-1-pc@manguebit.com> Date: Sat, 01 Jun 2024 18:14:55 -0300 Precedence: bulk X-Mailing-List: linux-cifs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain Wang Zhaolong writes: > Hello, > > I have some questions regarding CVE-2024-26928. > > I would like to confirm whether the phrase "fix potential UAF in > cifs_debug_files_proc_show()" implies that the UAF issue does not > actually exist, correct? Correct. This is just a way to prevent one from accessing any fields from @ses while it is being released by a different task. > Based on this understanding, I wonder if the issue addressed by > this CVE might not be a genuine problem. I am also curious about > the series of patches considered as fixes for this CVE. Nope. The fixes were created and sent without having any related CVEs.