lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Mon, 18 Mar 2013 14:11:16 -0700 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, YOSHIFUJI Hideaki <yoshfuji@...ux-ipv6.org>, Hannes Frederic Sowa <hannes@...essinduktion.org>, "David S. Miller" <davem@...emloft.net> Subject: [ 38/40] ipv6: stop multicast forwarding to process interface scoped addresses 3.0-stable review patch. If anyone has any objections, please let me know. ------------------ From: Hannes Frederic Sowa <hannes@...essinduktion.org> [ Upstream commit ddf64354af4a702ee0b85d0a285ba74c7278a460 ] v2: a) used struct ipv6_addr_props v3: a) reverted changes for ipv6_addr_props v4: a) do not use __ipv6_addr_needs_scope_id Cc: YOSHIFUJI Hideaki <yoshfuji@...ux-ipv6.org> Signed-off-by: Hannes Frederic Sowa <hannes@...essinduktion.org> Acked-by: YOSHIFUJI Hideaki <yoshfuji@...ux-ipv6.org> Signed-off-by: David S. Miller <davem@...emloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org> --- net/ipv6/ip6_input.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/net/ipv6/ip6_input.c +++ b/net/ipv6/ip6_input.c @@ -257,7 +257,8 @@ int ip6_mc_input(struct sk_buff *skb) * IPv6 multicast router mode is now supported ;) */ if (dev_net(skb->dev)->ipv6.devconf_all->mc_forwarding && - !(ipv6_addr_type(&hdr->daddr) & IPV6_ADDR_LINKLOCAL) && + !(ipv6_addr_type(&hdr->daddr) & + (IPV6_ADDR_LOOPBACK|IPV6_ADDR_LINKLOCAL)) && likely(!(IP6CB(skb)->flags & IP6SKB_FORWARDED))) { /* * Okay, we try to forward - split and duplicate -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists