Commit 3bd04309 authored by Pablo Neira Ayuso's avatar Pablo Neira Ayuso Committed by Zheng Zengkai
Browse files

netfilter: nf_tables: disallow binding to already bound chain

stable inclusion
from stable-v5.10.140
commit c08a104a8bce832f6e7a4e8d9ac091777b9982ea
category: bugfix
bugzilla: https://gitee.com/src-openeuler/kernel/issues/I5PEDR?from=project-issue
CVE: CVE-2022-39190

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=c08a104a8bce832f6e7a4e8d9ac091777b9982ea



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[ Upstream commit e02f0d39 ]

Update nft_data_init() to report EINVAL if chain is already bound.

Fixes: d0e2c7de ("netfilter: nf_tables: add NFT_CHAIN_BINDING")
Reported-by: default avatarGwangun Jung <exsociety@gmail.com>
Signed-off-by: default avatarPablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>

Conflicts:
	net/netfilter/nf_tables_api.c

Signed-off-by: default avatarZiyang Xuan <william.xuanziyang@huawei.com>
Reviewed-by: default avatarYue Haibing <yuehaibing@huawei.com>
Reviewed-by: default avatarXiu Jianfeng <xiujianfeng@huawei.com>
Signed-off-by: default avatarZheng Zengkai <zhengzengkai@huawei.com>
parent d952b232
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