Re: [PATCH net 4/4] tcp: enforce tcp_min_snd_mss in tcp_mtu_probing()

On 17 Jun 2019, at 10:03, Eric Dumazet wrote:

If mtu probing is enabled tcp_mtu_probing() could very well end up
with a too small MSS.

Use the new sysctl tcp_min_snd_mss to make sure MSS search
is performed in an acceptable range.

CVE-2019-11479 -- tcp mss hardcoded to 48

Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Jonathan Lemon <redacted>
Cc: Jonathan Looney <redacted>
Acked-by: Neal Cardwell <ncardwell@google.com>
Cc: Yuchung Cheng <redacted>
Cc: Tyler Hicks <redacted>
Cc: Bruce Curtis <redacted>

Acked-by: Jonathan Lemon <redacted>