ACK: [SRU K, HWE-5.17, J, OEM-5.14, F, B 0/3] CVE-2022-3567 // CVE-2022-3566

[Luke Nowakowski-Krijger]

Acked-by: Luke Nowakowski-Krijger <luke.nowakowskikrijger at canonical.com>

On Wed, Nov 16, 2022 at 7:57 PM Thadeu Lima de Souza Cascardo <
cascardo at canonical.com> wrote:

> [Impact]
> Under some race conditions, a different sk_prot (specially when an IPv6
> socket is downgraded to IPv4) or a icsk_af_ops may be read.
>
> [Backport]
> An extra pre-req also fixing such data races was applied. Some context
> has changed, new functions were introduced, other functions have been moved
> and some hooks were not called. That lead to this final backport.
>
> [Potential regression]
> We may see failures and crashes on TCP and IPv6 workloads.
>
> Eric Dumazet (1):
>   ipv6: annotate some data-races around sk->sk_prot
>
> Kuniyuki Iwashima (2):
>   ipv6: Fix data races around sk->sk_prot.
>   tcp: Fix data races around icsk->icsk_af_ops.
>
>  net/core/sock.c          |  6 ++++--
>  net/ipv4/af_inet.c       | 21 +++++++++++++++------
>  net/ipv4/tcp.c           | 10 ++++++----
>  net/ipv6/af_inet6.c      | 14 ++++++++++----
>  net/ipv6/ipv6_sockglue.c | 11 ++++++++---
>  net/ipv6/tcp_ipv6.c      |  6 ++++--
>  6 files changed, 47 insertions(+), 21 deletions(-)
>
> --
> 2.34.1
>
>
> --
> kernel-team mailing list
> kernel-team at lists.ubuntu.com
> https://lists.ubuntu.com/mailman/listinfo/kernel-team
>
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