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| author | Eric Dumazet <[email protected]> | 2019-06-08 17:22:49 +0000 |
|---|---|---|
| committer | David S. Miller <[email protected]> | 2019-06-16 01:47:31 +0000 |
| commit | 967c05aee439e6e5d7d805e195b3a20ef5c433d6 (patch) | |
| tree | 564caa19735a085c9722d4fb8c184cc23dc7f012 /drivers/vfio/mdev/mdev_core.c | |
| parent | tcp: add tcp_min_snd_mss sysctl (diff) | |
| download | kernel-967c05aee439e6e5d7d805e195b3a20ef5c433d6.tar.gz kernel-967c05aee439e6e5d7d805e195b3a20ef5c433d6.zip | |
tcp: enforce tcp_min_snd_mss in tcp_mtu_probing()
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 <[email protected]>
Reported-by: Jonathan Lemon <[email protected]>
Cc: Jonathan Looney <[email protected]>
Acked-by: Neal Cardwell <[email protected]>
Cc: Yuchung Cheng <[email protected]>
Cc: Tyler Hicks <[email protected]>
Cc: Bruce Curtis <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
Diffstat (limited to 'drivers/vfio/mdev/mdev_core.c')
0 files changed, 0 insertions, 0 deletions