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netfilter: nft_compat: use-after-free when deleting targets
authorPablo Neira Ayuso <pablo@netfilter.org>
Wed, 13 Feb 2019 12:03:53 +0000 (13:03 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 27 Feb 2019 09:09:57 +0000 (10:09 +0100)
commit52e337e8d1552aacf89b964a3dc6ff0fc9498493
tree842f426500c1211bec9eb1fe3774e0c1acb2e712tree
parente9d90bfcf3d75f097144b6038530117bc88b7686commit | diff
netfilter: nft_compat: use-after-free when deleting targets

commit 753c111f655e38bbd52fc01321266633f022ebe2 upstream.

Fetch pointer to module before target object is released.

Fixes: 29e3880109e3 ("netfilter: nf_tables: fix use-after-free when deleting compat expressions")
Fixes: 0ca743a55991 ("netfilter: nf_tables: add compatibility layer for x_tables")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
net/netfilter/nft_compat.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git