Topic: Kernel CVE ?15.05.1

[94658.336858] pppoe-wan: renamed from ppp0
[94663.451518] BUG: unable to handle kernel NULL pointer dereference at 0000000000000008
[94663.455940] IP: [<ffffffff813260c3>] __skb_recv_datagram+0x1b3/0x530
[94663.459211] PGD 79a00067 PUD 79a83067 PMD 0
[94663.460056] Oops: 0002 [#1] SMP
[94663.460056] Modules linked in: pppoe ppp_async iptable_nat pppox ppp_generic nf_nat_pptp nf_nat_ipv4 nf_nat_amanda nf_conntrack_pptp nf_conntrack_ipv6 nf_conntrack_ipv4 nf_conntrack_amanda ipt_REJECT ipt_MASQUERADE xt_time xt_tcpudp xt_state xt_nat xt_multiport xt_mark xt_mac xt_limit xt_id xt_conntrack xt_comment xt_TCPMSS xt_REDIRECT xt_LOG xt_CT ts_kmp ts_fsm ts_bm slhc r8169 nf_reject_ipv4 nf_nat_tftp nf_nat_snmp_basic nf_nat_sip nf_nat_proto_gre nf_nat_masquerade_ipv4 nf_nat_irc nf_nat_h323 nf_nat_ftp nf_nat nf_log_ipv4 nf_defrag_ipv6 nf_defrag_ipv4 nf_conntrack_tftp nf_conntrack_snmp nf_conntrack_sip nf_conntrack_rtcache nf_conntrack_proto_gre nf_conntrack_irc nf_conntrack_h323 nf_conntrack_ftp nf_conntrack_broadcast nf_conntrack iptable_raw iptable_mangle iptable_filter ip_tables e1000e crc_ccitt ip6t_REJECT nf_reject_ipv6 nf_log_ipv6 nf_log_common ip6table_raw ip6table_mangle ip6table_filter ip6_tables x_tables e1000 sit tunnel4 ip_tunnel ipv6 ptp pps_core mii
[94663.460056] CPU: 0 PID: 1330 Comm: netifd Not tainted 3.18.23 #1
[94663.460056] task: ffff880079c2b5c0 ti: ffff880079b44000 task.ti: ffff880079b44000
[94663.460056] RIP: 0010:[<ffffffff813260c3>]  [<ffffffff813260c3>] __skb_recv_datagram+0x1b3/0x530
[94663.460056] RSP: 0018:ffff880079b47b68  EFLAGS: 00010046
[94663.460056] RAX: ffff8800799de088 RBX: ffff8800799de088 RCX: 0000000000000000
[94663.460056] RDX: 0000000000000000 RSI: 0000000000000246 RDI: ffff8800799de09c
[94663.460056] RBP: ffff8800794ad500 R08: ffff880079b47c68 R09: ffff88007a18d400
[94663.460056] R10: 0000000000000400 R11: ffff880079c2b5c0 R12: 0000000000000000
[94663.460056] R13: ffff880079b47c40 R14: 0000000000000246 R15: ffff8800799de000
[94663.460056] FS:  00007fca9ebd26a0(0000) GS:ffff88007ce00000(0000) knlGS:0000000000000000
[94663.460056] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[94663.460056] CR2: 0000000000000008 CR3: 0000000079a21000 CR4: 00000000000006f0
[94663.460056] Stack:
[94663.460056]  0000000000000000 ffff8800799de09c ffff880079b47c44 7fffffffffffffff
[94663.460056]  ffff880079b47c68 ffff880079b47be8 ffff880079b47fd8 ffff880079c2b5c0
[94663.460056]  ffff8800794adf00 ffffffff8131f725 ffff8800794adf00 ffff8800794adf00
[94663.460056] Call Trace:
[94663.460056]  [<ffffffff8131f725>] ? skb_release_head_state+0x65/0xc0
[94663.460056]  [<ffffffff8131f9a0>] ? consume_skb+0x30/0x40
[94663.460056]  [<ffffffff81355141>] ? netlink_unicast+0x121/0x200
[94663.460056]  [<ffffffff8132646c>] ? skb_recv_datagram+0x2c/0x40
[94663.460056]  [<ffffffff813538d0>] ? netlink_recvmsg+0x50/0x2f0
[94663.460056]  [<ffffffff8131867b>] ? sock_recvmsg+0x6b/0x80
[94663.460056]  [<ffffffff81325d68>] ? verify_iovec+0x58/0xc0
[94663.460056]  [<ffffffff81319c77>] ? ___sys_sendmsg.part.34+0x207/0x230
[94663.460056]  [<ffffffff81325d68>] ? verify_iovec+0x58/0xc0
[94663.460056]  [<ffffffff81319d98>] ? ___sys_recvmsg.part.35+0xf8/0x180
[94663.460056]  [<ffffffff81108b92>] ? fsnotify_clear_marks_by_inode+0x22/0x120
[94663.460056]  [<ffffffff810e9282>] ? dput+0x22/0x170
[94663.460056]  [<ffffffff810e2ef8>] ? do_unlinkat+0x188/0x2a0
[94663.460056]  [<ffffffff8131ad5a>] ? __sys_recvmsg+0x4a/0x70
[94663.460056]  [<ffffffff813dd309>] ? system_call_fastpath+0x12/0x17
[94663.460056] Code: 00 10 e9 11 03 00 00 90 41 83 af 98 00 00 00 01 49 89 c6 48 8b 55 00 48 8b 45 08 48 c7 45 00 00 00 00 00 48 c7 45 08 00 00 00 00 <48> 89 42 08 48 89 10 66 0f 1f 44 00 00 48 8b 7c 24 08 4c 89 f6
[94663.460056] RIP  [<ffffffff813260c3>] __skb_recv_datagram+0x1b3/0x530
[94663.460056]  RSP <ffff880079b47b68>
[94663.460056] CR2: 0000000000000008
[94663.460056] ---[ end trace 19ce37a998bc65a8 ]---
[94663.460056] ------------[ cut here ]------------
[94663.460056] WARNING: CPU: 0 PID: 1330 at kernel/softirq.c:146 __local_bh_enable_ip+0x31/0x90()
[94663.460056] Modules linked in: pppoe ppp_async iptable_nat pppox ppp_generic nf_nat_pptp nf_nat_ipv4 nf_nat_amanda nf_conntrack_pptp nf_conntrack_ipv6 nf_conntrack_ipv4 nf_conntrack_amanda ipt_REJECT ipt_MASQUERADE xt_time xt_tcpudp xt_state xt_nat xt_multiport xt_mark xt_mac xt_limit xt_id xt_conntrack xt_comment xt_TCPMSS xt_REDIRECT xt_LOG xt_CT ts_kmp ts_fsm ts_bm slhc r8169 nf_reject_ipv4 nf_nat_tftp nf_nat_snmp_basic nf_nat_sip nf_nat_proto_gre nf_nat_masquerade_ipv4 nf_nat_irc nf_nat_h323 nf_nat_ftp nf_nat nf_log_ipv4 nf_defrag_ipv6 nf_defrag_ipv4 nf_conntrack_tftp nf_conntrack_snmp nf_conntrack_sip nf_conntrack_rtcache nf_conntrack_proto_gre nf_conntrack_irc nf_conntrack_h323 nf_conntrack_ftp nf_conntrack_broadcast nf_conntrack iptable_raw iptable_mangle iptable_filter ip_tables e1000e crc_ccitt ip6t_REJECT nf_reject_ipv6 nf_log_ipv6 nf_log_common ip6table_raw ip6table_mangle ip6table_filter ip6_tables x_tables e1000 sit tunnel4 ip_tunnel ipv6 ptp pps_core mii
[94663.460056] CPU: 0 PID: 1330 Comm: netifd Tainted: G      D        3.18.23 #1
[94663.460056]  0000000000000000 0000000000000009 ffffffff813d8e07 0000000000000000
[94663.460056]  ffffffff8103d6ad 0000000000000200 ffff880079e4dd40 ffff880079e4ded8
[94663.460056]  ffff88007a46c520 ffff88007a175600 ffffffff810400a1 0000000000000000
[94663.460056] Call Trace:
[94663.460056]  [<ffffffff813d8e07>] ? dump_stack+0x41/0x51
[94663.460056]  [<ffffffff8103d6ad>] ? warn_slowpath_common+0x6d/0x90
[94663.460056]  [<ffffffff810400a1>] ? __local_bh_enable_ip+0x31/0x90
[94663.460056]  [<ffffffff813aec87>] ? unix_release_sock+0x77/0x220
[94663.460056]  [<ffffffff813aee44>] ? unix_release+0x14/0x20
[94663.460056]  [<ffffffff81319579>] ? sock_release+0x19/0x90
[94663.460056]  [<ffffffff813195fd>] ? sock_close+0xd/0x20
[94663.460056]  [<ffffffff810d6bb9>] ? __fput+0xd9/0x1b0
[94663.460056]  [<ffffffff81051f0e>] ? task_work_run+0x9e/0xc0
[94663.460056]  [<ffffffff8103e455>] ? do_exit+0x345/0x8b0
[94663.460056]  [<ffffffff81005258>] ? oops_end+0xa8/0xc0
[94663.460056]  [<ffffffff813d66a7>] ? no_context+0x2ed/0x331
[94663.460056]  [<ffffffffa0022674>] ? ip6_route_cleanup+0x1424/0x17e0 [ipv6]
[94663.460056]  [<ffffffff81034a20>] ? __do_page_fault+0x210/0x470
[94663.460056]  [<ffffffffa00212b0>] ? ip6_route_cleanup+0x60/0x17e0 [ipv6]
[94663.460056]  [<ffffffffa0023190>] ? fib6_add+0x610/0x790 [ipv6]
[94663.460056]  [<ffffffff813223d2>] ? __alloc_skb+0x42/0x230
[94663.460056]  [<ffffffff813de845>] ? async_page_fault+0x25/0x30
[94663.460056]  [<ffffffff813260c3>] ? __skb_recv_datagram+0x1b3/0x530
[94663.460056]  [<ffffffff81325fc0>] ? __skb_recv_datagram+0xb0/0x530
[94663.460056]  [<ffffffff8131f725>] ? skb_release_head_state+0x65/0xc0
[94663.460056]  [<ffffffff8131f9a0>] ? consume_skb+0x30/0x40
[94663.460056]  [<ffffffff81355141>] ? netlink_unicast+0x121/0x200
[94663.460056]  [<ffffffff8132646c>] ? skb_recv_datagram+0x2c/0x40
[94663.460056]  [<ffffffff813538d0>] ? netlink_recvmsg+0x50/0x2f0
[94663.460056]  [<ffffffff8131867b>] ? sock_recvmsg+0x6b/0x80
[94663.460056]  [<ffffffff81325d68>] ? verify_iovec+0x58/0xc0
[94663.460056]  [<ffffffff81319c77>] ? ___sys_sendmsg.part.34+0x207/0x230
[94663.460056]  [<ffffffff81325d68>] ? verify_iovec+0x58/0xc0
[94663.460056]  [<ffffffff81319d98>] ? ___sys_recvmsg.part.35+0xf8/0x180
[94663.460056]  [<ffffffff81108b92>] ? fsnotify_clear_marks_by_inode+0x22/0x120
[94663.460056]  [<ffffffff810e9282>] ? dput+0x22/0x170
[94663.460056]  [<ffffffff810e2ef8>] ? do_unlinkat+0x188/0x2a0
[94663.460056]  [<ffffffff8131ad5a>] ? __sys_recvmsg+0x4a/0x70
[94663.460056]  [<ffffffff813dd309>] ? system_call_fastpath+0x12/0x17
[94663.460056] ---[ end trace 19ce37a998bc65a9 ]---
[94668.921502] br-lan: port 1(eth0) entered disabled state
[94668.926407] device eth0 left promiscuous mode

Re: Kernel CVE ?15.05.1

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