ghsa-v7pq-vg76-qwqx
Vulnerability from github
In the Linux kernel, the following vulnerability has been resolved:
tcp: fix mptcp DSS corruption due to large pmtu xmit
Syzkaller was able to trigger a DSS corruption:
TCP: request_sock_subflow_v4: Possible SYN flooding on port [::]:20002. Sending cookies.
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5227 at net/mptcp/protocol.c:695 __mptcp_move_skbs_from_subflow+0x20a9/0x21f0 net/mptcp/protocol.c:695
Modules linked in:
CPU: 0 UID: 0 PID: 5227 Comm: syz-executor350 Not tainted 6.11.0-syzkaller-08829-gaf9c191ac2a0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:__mptcp_move_skbs_from_subflow+0x20a9/0x21f0 net/mptcp/protocol.c:695
Code: 0f b6 dc 31 ff 89 de e8 b5 dd ea f5 89 d8 48 81 c4 50 01 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc e8 98 da ea f5 90 <0f> 0b 90 e9 47 ff ff ff e8 8a da ea f5 90 0f 0b 90 e9 99 e0 ff ff
RSP: 0018:ffffc90000006db8 EFLAGS: 00010246
RAX: ffffffff8ba9df18 RBX: 00000000000055f0 RCX: ffff888030023c00
RDX: 0000000000000100 RSI: 00000000000081e5 RDI: 00000000000055f0
RBP: 1ffff110062bf1ae R08: ffffffff8ba9cf12 R09: 1ffff110062bf1b8
R10: dffffc0000000000 R11: ffffed10062bf1b9 R12: 0000000000000000
R13: dffffc0000000000 R14: 00000000700cec61 R15: 00000000000081e5
FS: 000055556679c380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020287000 CR3: 0000000077892000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
{
"affected": [],
"aliases": [
"CVE-2024-50083"
],
"database_specific": {
"cwe_ids": [],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-10-29T01:15:05Z",
"severity": "HIGH"
},
"details": "In the Linux kernel, the following vulnerability has been resolved:\n\ntcp: fix mptcp DSS corruption due to large pmtu xmit\n\nSyzkaller was able to trigger a DSS corruption:\n\n TCP: request_sock_subflow_v4: Possible SYN flooding on port [::]:20002. Sending cookies.\n ------------[ cut here ]------------\n WARNING: CPU: 0 PID: 5227 at net/mptcp/protocol.c:695 __mptcp_move_skbs_from_subflow+0x20a9/0x21f0 net/mptcp/protocol.c:695\n Modules linked in:\n CPU: 0 UID: 0 PID: 5227 Comm: syz-executor350 Not tainted 6.11.0-syzkaller-08829-gaf9c191ac2a0 #0\n Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024\n RIP: 0010:__mptcp_move_skbs_from_subflow+0x20a9/0x21f0 net/mptcp/protocol.c:695\n Code: 0f b6 dc 31 ff 89 de e8 b5 dd ea f5 89 d8 48 81 c4 50 01 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc e8 98 da ea f5 90 \u003c0f\u003e 0b 90 e9 47 ff ff ff e8 8a da ea f5 90 0f 0b 90 e9 99 e0 ff ff\n RSP: 0018:ffffc90000006db8 EFLAGS: 00010246\n RAX: ffffffff8ba9df18 RBX: 00000000000055f0 RCX: ffff888030023c00\n RDX: 0000000000000100 RSI: 00000000000081e5 RDI: 00000000000055f0\n RBP: 1ffff110062bf1ae R08: ffffffff8ba9cf12 R09: 1ffff110062bf1b8\n R10: dffffc0000000000 R11: ffffed10062bf1b9 R12: 0000000000000000\n R13: dffffc0000000000 R14: 00000000700cec61 R15: 00000000000081e5\n FS: 000055556679c380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000\n CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n CR2: 0000000020287000 CR3: 0000000077892000 CR4: 00000000003506f0\n DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\n DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\n Call Trace:\n \u003cIRQ\u003e\n move_skbs_to_msk net/mptcp/protocol.c:811 [inline]\n mptcp_data_ready+0x29c/0xa90 net/mptcp/protocol.c:854\n subflow_data_ready+0x34a/0x920 net/mptcp/subflow.c:1490\n tcp_data_queue+0x20fd/0x76c0 net/ipv4/tcp_input.c:5283\n tcp_rcv_established+0xfba/0x2020 net/ipv4/tcp_input.c:6237\n tcp_v4_do_rcv+0x96d/0xc70 net/ipv4/tcp_ipv4.c:1915\n tcp_v4_rcv+0x2dc0/0x37f0 net/ipv4/tcp_ipv4.c:2350\n ip_protocol_deliver_rcu+0x22e/0x440 net/ipv4/ip_input.c:205\n ip_local_deliver_finish+0x341/0x5f0 net/ipv4/ip_input.c:233\n NF_HOOK+0x3a4/0x450 include/linux/netfilter.h:314\n NF_HOOK+0x3a4/0x450 include/linux/netfilter.h:314\n __netif_receive_skb_one_core net/core/dev.c:5662 [inline]\n __netif_receive_skb+0x2bf/0x650 net/core/dev.c:5775\n process_backlog+0x662/0x15b0 net/core/dev.c:6107\n __napi_poll+0xcb/0x490 net/core/dev.c:6771\n napi_poll net/core/dev.c:6840 [inline]\n net_rx_action+0x89b/0x1240 net/core/dev.c:6962\n handle_softirqs+0x2c5/0x980 kernel/softirq.c:554\n do_softirq+0x11b/0x1e0 kernel/softirq.c:455\n \u003c/IRQ\u003e\n \u003cTASK\u003e\n __local_bh_enable_ip+0x1bb/0x200 kernel/softirq.c:382\n local_bh_enable include/linux/bottom_half.h:33 [inline]\n rcu_read_unlock_bh include/linux/rcupdate.h:919 [inline]\n __dev_queue_xmit+0x1764/0x3e80 net/core/dev.c:4451\n dev_queue_xmit include/linux/netdevice.h:3094 [inline]\n neigh_hh_output include/net/neighbour.h:526 [inline]\n neigh_output include/net/neighbour.h:540 [inline]\n ip_finish_output2+0xd41/0x1390 net/ipv4/ip_output.c:236\n ip_local_out net/ipv4/ip_output.c:130 [inline]\n __ip_queue_xmit+0x118c/0x1b80 net/ipv4/ip_output.c:536\n __tcp_transmit_skb+0x2544/0x3b30 net/ipv4/tcp_output.c:1466\n tcp_transmit_skb net/ipv4/tcp_output.c:1484 [inline]\n tcp_mtu_probe net/ipv4/tcp_output.c:2547 [inline]\n tcp_write_xmit+0x641d/0x6bf0 net/ipv4/tcp_output.c:2752\n __tcp_push_pending_frames+0x9b/0x360 net/ipv4/tcp_output.c:3015\n tcp_push_pending_frames include/net/tcp.h:2107 [inline]\n tcp_data_snd_check net/ipv4/tcp_input.c:5714 [inline]\n tcp_rcv_established+0x1026/0x2020 net/ipv4/tcp_input.c:6239\n tcp_v4_do_rcv+0x96d/0xc70 net/ipv4/tcp_ipv4.c:1915\n sk_backlog_rcv include/net/sock.h:1113 [inline]\n __release_sock+0x214/0x350 net/core/sock.c:3072\n release_sock+0x61/0x1f0 net/core/sock.c:3626\n mptcp_push_\n---truncated---",
"id": "GHSA-v7pq-vg76-qwqx",
"modified": "2024-10-30T15:30:46Z",
"published": "2024-10-29T03:31:06Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-50083"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/229dfdc36f31a8d47433438bc0e6e1662c4ab404"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/4dabcdf581217e60690467a37c956a5b8dbc6bd9"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/9729010a0ac5945c1bf6847dd0778d8a1a4b72ac"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/ba8e65814e519eeb17d086952bce7de93f7a40da"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/c38add9ac0e4d4f418e6443a688491499021add9"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/db04d1848777ae52a7ab93c4591e7c0bf8f55fb4"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
]
}
Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.