linux-kernel - Re: [PATCH] ima: add check for khdr->buffer

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Message-ID: <473749e7a302d0fbb790956e8e1423835a46987a.camel@linux.ibm.com>
Date:   Thu, 15 Dec 2022 10:20:37 -0500
From:   Mimi Zohar <zohar@...ux.ibm.com>
To:     "iuppiterlucas@...il.com" <iuppiterlucas@...il.com>,
        =?UTF-8?B??= <dmitry.kasatkin@...il.com>,
        =?UTF-8?B??= <paul@...l-moore.com>,
        =?UTF-8?B??= <jmorris@...ei.org>,
        =?UTF-8?B??= <serge@...lyn.com>,
        =?UTF-8?B??= <akpm@...ux-foundation.org>,
        =?UTF-8?B??= <linux-integrity@...r.kernel.org>,
        =?UTF-8?B??= <linux-security-module@...r.kernel.org>,
        =?UTF-8?B??= <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] ima: add check for khdr->buffer_size

Hi Lucas,

On Thu, 2022-12-15 at 23:12 +0800, iuppiterlucas@...il.com wrote:
> When khdr->buffer_size > size, continuing to use ima_parse_buf
> 
> may cause memory access out of bounds.
> 
> 
> Fixes: 94c3aac567a9 ("ima: on soft reboot, restore the measurement list")
> 
> 
> Signed-off-by: Lucas Iuppiter <iuppiterlucas@...il.com>

When posting patches to the linux-integrity mailing list, patches
should be posted in plain text, not mime encoded.

thanks,

Mimi