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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2026-07-24 16:21:27 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2026-07-24 16:21:27 +0200
commit8f9aa2c90530ab92301a82231ae44f3722becd93 (patch)
treefb282e955b0a880b07131a135257fe3ec764e928 /net/ipv6/ip6_vti.c
parent93467b31bec6da512b51544e5e4584f2745e995e (diff)
parent155b42bec9cbb6b8cdc47dd9bd09503a81fbe493 (diff)
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net/ipv6/ip6_vti.c')
-rw-r--r--net/ipv6/ip6_vti.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/ipv6/ip6_vti.c b/net/ipv6/ip6_vti.c
index d871cab6938d..ab94b3a4ba9c 100644
--- a/net/ipv6/ip6_vti.c
+++ b/net/ipv6/ip6_vti.c
@@ -1046,6 +1046,9 @@ static int vti6_changelink(struct net_device *dev, struct nlattr *tb[],
struct __ip6_tnl_parm p;
struct vti6_net *ip6n;
+ if (!rtnl_dev_link_net_capable(dev, net))
+ return -EPERM;
+
ip6n = net_generic(net, vti6_net_id);
if (dev == ip6n->fb_tnl_dev)
return -EINVAL;