[SRU][J/F][PATCH 0/1] CVE-2024-36901

[Thibault Ferrante]

Hi Chris,
Just a small remainder to replace the `RE:` by `ACK:` in the Subject of your mail.
Thanks,

On 09-07-2024 17:57, Chris Chiu wrote:
> On Tue, Jul 9, 2024 at 9:03 AM Vinicius Peixoto
> <vinicius.peixoto at canonical.com> wrote:
>>
>> [Impact]
>> According to syzbot, there is a chance that ip6_dst_idev()
>> returns NULL in ip6_output(). Most places in IPv6 stack
>> deal with a NULL idev just fine, but not here.
>>
>> [Backport]
>> Due to the lack of upstream commit
>> 5e187189ec324f78035d33a4bc123a9c4ca6f3e3 ("net: ip: add skb drop reasons for ip egress path)"
>> Jammy, Focal, Bionic and Xenial had a context conflict.
>> Xenial is also missing 97a7a37a7b7b ("ipv6: Initial skb->dev and skb->protocol in ip6_output").
>> However, none of those commits directly impact the fix or the issue,
>> so a manual backport is appropriate here.
>>
>> [Test]
>> Compile tested.
>>
>> [Where problems could occur]
>> Any issues here would directly impact IPv6 networking.
>>
>> Eric Dumazet (1):
>>    ipv6: prevent NULL dereference in ip6_output()
>>
>>   net/ipv6/ip6_output.c | 2 +-
>>   1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> --
>> 2.43.0
>>
>>
>> --
>> kernel-team mailing list
>> kernel-team at lists.ubuntu.com
>> https://lists.ubuntu.com/mailman/listinfo/kernel-team
> 
> Acked-by: Chris Chiu <chris.chiu at canonical.com>
> 


-- 
--
Thibault