From a45d88530b2552ad5ea0da18861600b4ecc9d0c7 Mon Sep 17 00:00:00 2001 From: Richard Guy Briggs Date: Wed, 22 Apr 2020 17:39:29 -0400 Subject: netfilter: add audit table unregister actions Audit the action of unregistering ebtables and x_tables. See: https://github.com/linux-audit/audit-kernel/issues/44 Signed-off-by: Richard Guy Briggs Signed-off-by: Paul Moore --- net/bridge/netfilter/ebtables.c | 2 ++ net/netfilter/x_tables.c | 2 ++ 2 files changed, 4 insertions(+) (limited to 'net') diff --git a/net/bridge/netfilter/ebtables.c b/net/bridge/netfilter/ebtables.c index 0a148e68b6e1..4778db5601b0 100644 --- a/net/bridge/netfilter/ebtables.c +++ b/net/bridge/netfilter/ebtables.c @@ -1124,6 +1124,8 @@ static void __ebt_unregister_table(struct net *net, struct ebt_table *table) mutex_lock(&ebt_mutex); list_del(&table->list); mutex_unlock(&ebt_mutex); + audit_log_nfcfg(table->name, AF_BRIDGE, table->private->nentries, + AUDIT_XT_OP_UNREGISTER); EBT_ENTRY_ITERATE(table->private->entries, table->private->entries_size, ebt_cleanup_entry, net, NULL); if (table->private->nentries) diff --git a/net/netfilter/x_tables.c b/net/netfilter/x_tables.c index 8f8c5dbf603d..99a468be4a59 100644 --- a/net/netfilter/x_tables.c +++ b/net/netfilter/x_tables.c @@ -1472,6 +1472,8 @@ void *xt_unregister_table(struct xt_table *table) private = table->private; list_del(&table->list); mutex_unlock(&xt[table->af].mutex); + audit_log_nfcfg(table->name, table->af, private->number, + AUDIT_XT_OP_UNREGISTER); kfree(table); return private; -- cgit v1.2.3