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From: Zhiqiang Liu <liuzhiqiang26@huawei.com>
To: Greg KH <gregkh@linuxfoundation.org>
Cc: <tglx@linutronix.de>, <crope@iki.fi>,
	<linux-media@vger.kernel.org>, <rfontana@redhat.com>,
	<erik.andren@gmail.com>, <hverkuil@xs4all.nl>,
	<brijohn@gmail.com>, <lcostantino@gmail.com>,
	<suweifeng1@huawei.com>, Mingfangsen <mingfangsen@huawei.com>,
	<guiyao@huawei.com>
Subject: Re: [PATCH] media: usb/cpia2: fix start_offset+size Integer Overflow in, cpia2_remap_buffer
Date: Thu, 12 Dec 2019 17:40:54 +0800	[thread overview]
Message-ID: <bba0386d-fb55-ecde-6bd9-8a75ea29d5fb@huawei.com> (raw)
In-Reply-To: <20191212074723.GC1368279@kroah.com>



On 2019/12/12 15:47, Greg KH wrote:
> On Thu, Dec 12, 2019 at 09:48:44AM +0800, Zhiqiang Liu wrote:
>> Omer Shalev have given a example which can trigger the CVE.
>> Example link: https://deshal3v.github.io/blog/kernel-research/mmap_exploitation
> 
> That "example" was run on a kernel without the above mentioned commit to
> fix all of this.
> 
> Have you tried this on the latest kernel release and succeeded?
> 
> thanks,
> 
> greg k-h
> 

Thanks for patiently answering my question.
Actually, I have missed the Omer's commit.
> .
> 


  reply	other threads:[~2019-12-12  9:41 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-11  2:47 [PATCH] media: usb/cpia2: fix start_offset+size Integer Overflow in, cpia2_remap_buffer Zhiqiang Liu
2019-12-11  7:57 ` Greg KH
2019-12-12  1:48   ` Zhiqiang Liu
2019-12-12  7:47     ` Greg KH
2019-12-12  9:40       ` Zhiqiang Liu [this message]
2019-12-12 10:01         ` Greg KH

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