Files
twx-linux/net/netfilter
Pablo Neira Ayuso 84133b6011 netfilter: nf_tables: validate NFT_DATA_VALUE after nft_data_init()
[ Upstream commit 0d2c96af79 ]

Userspace might bogusly sent NFT_DATA_VERDICT in several netlink
attributes that assume NFT_DATA_VALUE. Moreover, make sure that error
path invokes nft_data_release() to decrement the reference count on the
chain object.

Fixes: 96518518cc ("netfilter: add nftables")
Fixes: 0f3cd9b369 ("netfilter: nf_tables: add range expression")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-01-12 12:17:09 +01:00
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