From bfd41c8d99a54769678e0c66d55797082bf1edd3 Mon Sep 17 00:00:00 2001 From: Phil Sutter Date: Mon, 10 Sep 2018 23:35:15 +0200 Subject: ebtables: Fix for potential array boundary overstep Fix the parameter check in nft_ebt_standard_target() to avoid an array out of bounds access in ebt_standard_targets. Signed-off-by: Phil Sutter Signed-off-by: Florian Westphal --- iptables/nft-bridge.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'iptables') diff --git a/iptables/nft-bridge.h b/iptables/nft-bridge.h index 1fe26bab..9d49ccbe 100644 --- a/iptables/nft-bridge.h +++ b/iptables/nft-bridge.h @@ -78,7 +78,7 @@ static const char *ebt_standard_targets[NUM_STANDARD_TARGETS] = { static inline const char *nft_ebt_standard_target(unsigned int num) { - if (num > NUM_STANDARD_TARGETS) + if (num >= NUM_STANDARD_TARGETS) return NULL; return ebt_standard_targets[num]; -- cgit v1.2.3