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netfilter: nf_tables: stricter validation of element data
authorPablo Neira Ayuso <pablo@netfilter.org>
Sat, 2 Jul 2022 02:16:30 +0000 (04:16 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 12 Jul 2022 14:34:50 +0000 (16:34 +0200)
commitc1784d2075138992b00c17ab4ffc6d855171fe6d
treef5614c02b2a6ec1d6729e13c1a67a9113ee30329tree | snapshot
parent5ccecafc728b0df48263d5ac198220bcd79830bccommit | diff
netfilter: nf_tables: stricter validation of element data

commit 7e6bc1f6cabcd30aba0b11219d8e01b952eacbb6 upstream.

Make sure element data type and length do not mismatch the one specified
by the set declaration.

Fixes: 7d7402642eaf ("netfilter: nf_tables: variable sized set element keys / data")
Reported-by: Hugues ANGUELKOV <hanguelkov@randorisec.fr>
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
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