1
0
Fork 0
alistair23-linux/net/bridge
Linus Lüssing aef7a9e21a bridge: mcast: Fix MLD2 Report IPv6 payload length check
[ Upstream commit 5fc6266af7 ]

Commit e57f61858b ("net: bridge: mcast: fix stale nsrcs pointer in
igmp3/mld2 report handling") introduced a bug in the IPv6 header payload
length check which would potentially lead to rejecting a valid MLD2 Report:

The check needs to take into account the 2 bytes for the "Number of
Sources" field in the "Multicast Address Record" before reading it.
And not the size of a pointer to this field.

Fixes: e57f61858b ("net: bridge: mcast: fix stale nsrcs pointer in igmp3/mld2 report handling")
Acked-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: Linus Lüssing <linus.luessing@c0d3.blue>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-07-22 09:32:46 +02:00
..
netfilter netfilter: nft_reject_bridge: enable reject with bridge vlan 2020-06-03 08:21:34 +02:00
Kconfig treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
Makefile Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-11-04 09:26:51 +09:00
br.c net: bridge: move default pvid init/deinit to NETDEV_REGISTER/UNREGISTER 2019-08-05 13:32:53 -07:00
br_arp_nd_proxy.c bridge: Avoid infinite loop when suppressing NS messages with invalid options 2020-06-17 16:40:20 +02:00
br_device.c net: bridge: deny dev_set_mac_address() when unregistering 2019-12-18 16:08:19 +01:00
br_fdb.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
br_forward.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
br_if.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
br_input.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-07-08 19:48:57 -07:00
br_ioctl.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
br_mdb.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-09-15 14:17:27 +02:00
br_multicast.c bridge: mcast: Fix MLD2 Report IPv6 payload length check 2020-07-22 09:32:46 +02:00
br_netfilter_hooks.c netfilter: bridge: make sure to pull arp header in br_nf_forward_arp() 2020-01-04 19:18:38 +01:00
br_netfilter_ipv6.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2019-06-25 01:32:59 +02:00
br_netlink.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
br_netlink_tunnel.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
br_nf_core.c net: add bool confirm_neigh parameter for dst_ops.update_pmtu 2020-01-04 19:18:58 +01:00
br_private.h net: bridge: enfore alignment for ethernet address 2020-06-30 15:36:44 -04:00
br_private_stp.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
br_private_tunnel.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
br_stp.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
br_stp_bpdu.c net: bridge: stp: don't cache eth dest pointer before skb pull 2019-07-02 11:53:03 -07:00
br_stp_if.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
br_stp_timer.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
br_switchdev.c net: switchdev: Replace port attr set SDO with a notification 2019-02-27 12:39:56 -08:00
br_sysfs_br.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
br_sysfs_if.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
br_vlan.c net: bridge: Populate the pvid flag in br_vlan_get_info 2019-08-31 13:21:19 -07:00
br_vlan_tunnel.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00