linux-kernel - Re: patch 4.8 "net: handle no dst on skb in icmp6

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Date:   Wed, 11 Jan 2017 16:58:17 +0100
From:   Jiri Slaby <jslaby@...e.cz>
To:     Bronek Kozicki <brok@...mcop.net>, stable@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        David Ahern <dsa@...ulusnetworks.com>
Subject: Re: patch 4.8 "net: handle no dst on skb in icmp6_send"

On 01/11/2017, 04:56 PM, Bronek Kozicki wrote:
> On 11/01/2017 15:50, Jiri Slaby wrote:
>> On 01/08/2017, 03:28 PM, Bronek Kozicki wrote:
>>> Hello,
>>>
>>> any particular reason why this fix
>>> https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=79dc7e3f1cd323be4c81aa1a94faa1b3ed987fb2
>>>
>>> was missed from stable 4.8 line? Apparently the bug being fixed has its
>>> own https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-9919
>>
>> The patch is marked as:
>> Fixes: 5d41ce29e ("net: icmp6_send should use dst dev to determine L3
>> domain")
>>
>> and that is only in 4.9. So there seems to be a little point backporting
>> to older kernels.
> 
> 
> it is water under the bridge now, but I started this thread because I
> noticed that some distributions are adding this to their own 4.8 kernels

Which actually makes sense now, given 5d41ce29e *was* backported to 4.8.

-- 
js
suse labs