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| author |   Xin Long <lucien.xin@gmail.com> | 2019-10-29 01:24:32 +0800 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2019-10-29 17:39:26 -0700 |
| commit | eadf52cf1852196a1363044dcda22fa5d7f296f7 (patch) | |
| tree | a8905a9be405f6f988683a689ac62df2c96fc618 /fs | |
| parent | erspan: fix the tun_info options_len check for erspan (diff) | |
| download | linux-dev-eadf52cf1852196a1363044dcda22fa5d7f296f7.tar.xz linux-dev-eadf52cf1852196a1363044dcda22fa5d7f296f7.zip | |
vxlan: check tun_info options_len properly
This patch is to improve the tun_info options_len by dropping
the skb when TUNNEL_VXLAN_OPT is set but options_len is less
than vxlan_metadata. This can void a potential out-of-bounds
access on ip_tun_info.
Fixes: ee122c79d422 ("vxlan: Flow based tunneling")
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'fs')
0 files changed, 0 insertions, 0 deletions