bump version to 4.10.15-13

[pve-kernel.git] / CVE-2017-9075-sctp-do-not-inherit-ipv6_-mc-ac-fl-_list-from-parent.patch

From eaa390df0e82e771601fa68482c4f022674e904f Mon Sep 17 00:00:00 2001
From: Eric Dumazet <edumazet@google.com>
Date: Wed, 17 May 2017 07:16:40 -0700
Subject: [PATCH] sctp: do not inherit ipv6_{mc|ac|fl}_list from parent
MIME-Version: 1.0
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SCTP needs fixes similar to 83eaddab4378 ("ipv6/dccp: do not inherit
ipv6_mc_list from parent"), otherwise bad things can happen.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Andrey Konovalov <andreyknvl@google.com>
Tested-by: Andrey Konovalov <andreyknvl@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

CVE-2017-9075

(cherry-picked from fdcee2cbb8438702ea1b328fb6e0ac5e9a40c7f8)
Signed-off-by: Stefan Bader <stefan.bader@canonical.com>
Acked-by: Colin King <colin.king@canonical.com>
Acked-by: Andy Whitcroft <andy.whitcroft@canonical.com>
Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@canonical.com>

Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
---
 net/sctp/ipv6.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c
index 64dfd35ccdcc..ef0ed6bb71e9 100644
--- a/net/sctp/ipv6.c
+++ b/net/sctp/ipv6.c
@@ -666,6 +666,9 @@ static struct sock *sctp_v6_create_accept_sk(struct sock *sk,
 	newnp = inet6_sk(newsk);
 
 	memcpy(newnp, np, sizeof(struct ipv6_pinfo));
+	newnp->ipv6_mc_list = NULL;
+	newnp->ipv6_ac_list = NULL;
+	newnp->ipv6_fl_list = NULL;
 
 	rcu_read_lock();
 	opt = rcu_dereference(np->opt);
-- 
2.11.0