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Date:   Tue, 12 Mar 2019 22:58:39 +0800
From:   Jason Yan <>
To:     Greg KH <>
CC:     <>, Jann Horn <>,
        <>, "zhangyi (F)" <>,
        Zhaohongjiang <>,
        <>, <>
Subject: Re: 979d63d50c0c0f7bc537bf821e056cc9fe5abd38 bpf: prevent out of
 bounds speculation on pointer arithmetic

On 2019/3/12 19:52, Greg KH wrote:
> On Mon, Mar 11, 2019 at 05:18:33PM +0800, Jason Yan wrote:
>> Hi, Daniel & Greg
>> This patch (979d63d50c0c bpf: prevent out of bounds speculation on pointer
>> arithmetic) was assigned a CVE (CVE-2019-7308) with a high score:
>> CVSS v3.0 Severity and Metrics:
>> Base Score: 9.8 CRITICAL
>> And this patch is not in stable-4.4, would you please backport this patch to
>> 4.4?
> For a bit more context, it's also not in 4.14.y, 4.9.y, or 4.4.y.  I
> found a backported series for 4.4.y in the SLES kernel tree that I could
> try to import here if it really is a big deal.

I'm sorry that I did not find them. I only know the SLES  kernel tree 
Is there another place for the SLES kernel tree?

> I'm on the road this week, but if you could take a look at the SLES
> patches and see if those work for you, and then forward them here, I
> will be glad to queue them up.  Also if you could do the work for 4.14.y
> and 4.9.y I'm sure lots of people would appreciate it :)
> thanks,
> greg k-h
> .

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