linux-kernel - Re: [PATCH RFC] ubifs: Fix use-after-free in ubifs_tnc_end

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Message-ID: <198ba9bd-9ef1-0cff-696e-6532dcdbe0dd@huawei.com>
Date: Fri, 8 Nov 2024 09:38:49 +0800
From: Zhihao Cheng <chengzhihao1@...wei.com>
To: Waqar Hameed <waqar.hameed@...s.com>
CC: Richard Weinberger <richard@....at>, Sascha Hauer
	<s.hauer@...gutronix.de>, <kernel@...s.com>, <linux-mtd@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>, Ryder Wang <rydercoding@...mail.com>
Subject: Re: [PATCH RFC] ubifs: Fix use-after-free in ubifs_tnc_end_commit

在 2024/11/8 6:38, Waqar Hameed 写道:
> On Thu, Nov 07, 2024 at 16:39 +0800 Zhihao Cheng <chengzhihao1@...wei.com> wrote:
> 
[...]
> 
> P.S
> I wonder how many systems that might have experienced this
> use-after-free and got random memory corruptions (or other security
> issues). This bug has been there since v4.20.
> D.S
> .
> 

Maybe the authentication feature is not widely used.