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(parent: 89ef50f) | patch
netfilter: nf_tables: hold mutex on netns pre_exit path
authorPablo Neira Ayuso <pablo@netfilter.org>
Mon, 30 May 2022 16:24:05 +0000 (18:24 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 6 Jun 2022 06:43:38 +0000 (08:43 +0200)
commit9ea55b9f43533d30168aae0dfdc5c230b561ef69
tree626da415b1e04a4aad15c3cb28f7f796104706batree | snapshot
parent89ef50fe03a55feccf5681c237673a2f98161161commit | diff
netfilter: nf_tables: hold mutex on netns pre_exit path

commit 3923b1e4406680d57da7e873da77b1683035d83f upstream.

clean_net() runs in workqueue while walking over the lists, grab mutex.

Fixes: 767d1216bff8 ("netfilter: nftables: fix possible UAF over chains from packet path in netns")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
net/netfilter/nf_tables_api.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git