CVE-2025-38491 (GCVE-0-2025-38491)
Vulnerability from cvelistv5
Published
2025-07-28 11:21
Modified
2025-08-09 14:20
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
mptcp: make fallback action and fallback decision atomic
Syzkaller reported the following splat:
WARNING: CPU: 1 PID: 7704 at net/mptcp/protocol.h:1223 __mptcp_do_fallback net/mptcp/protocol.h:1223 [inline]
WARNING: CPU: 1 PID: 7704 at net/mptcp/protocol.h:1223 mptcp_do_fallback net/mptcp/protocol.h:1244 [inline]
WARNING: CPU: 1 PID: 7704 at net/mptcp/protocol.h:1223 check_fully_established net/mptcp/options.c:982 [inline]
WARNING: CPU: 1 PID: 7704 at net/mptcp/protocol.h:1223 mptcp_incoming_options+0x21a8/0x2510 net/mptcp/options.c:1153
Modules linked in:
CPU: 1 UID: 0 PID: 7704 Comm: syz.3.1419 Not tainted 6.16.0-rc3-gbd5ce2324dba #20 PREEMPT(voluntary)
Hardware name: QEMU Ubuntu 24.04 PC (i440FX + PIIX, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:__mptcp_do_fallback net/mptcp/protocol.h:1223 [inline]
RIP: 0010:mptcp_do_fallback net/mptcp/protocol.h:1244 [inline]
RIP: 0010:check_fully_established net/mptcp/options.c:982 [inline]
RIP: 0010:mptcp_incoming_options+0x21a8/0x2510 net/mptcp/options.c:1153
Code: 24 18 e8 bb 2a 00 fd e9 1b df ff ff e8 b1 21 0f 00 e8 ec 5f c4 fc 44 0f b7 ac 24 b0 00 00 00 e9 54 f1 ff ff e8 d9 5f c4 fc 90 <0f> 0b 90 e9 b8 f4 ff ff e8 8b 2a 00 fd e9 8d e6 ff ff e8 81 2a 00
RSP: 0018:ffff8880a3f08448 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff8880180a8000 RCX: ffffffff84afcf45
RDX: ffff888090223700 RSI: ffffffff84afdaa7 RDI: 0000000000000001
RBP: ffff888017955780 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8880180a8910 R14: ffff8880a3e9d058 R15: 0000000000000000
FS: 00005555791b8500(0000) GS:ffff88811c495000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c2800b7 CR3: 0000000058e44000 CR4: 0000000000350ef0
Call Trace:
<IRQ>
tcp_reset+0x26f/0x2b0 net/ipv4/tcp_input.c:4432
tcp_validate_incoming+0x1057/0x1b60 net/ipv4/tcp_input.c:5975
tcp_rcv_established+0x5b5/0x21f0 net/ipv4/tcp_input.c:6166
tcp_v4_do_rcv+0x5dc/0xa70 net/ipv4/tcp_ipv4.c:1925
tcp_v4_rcv+0x3473/0x44a0 net/ipv4/tcp_ipv4.c:2363
ip_protocol_deliver_rcu+0xba/0x480 net/ipv4/ip_input.c:205
ip_local_deliver_finish+0x2f1/0x500 net/ipv4/ip_input.c:233
NF_HOOK include/linux/netfilter.h:317 [inline]
NF_HOOK include/linux/netfilter.h:311 [inline]
ip_local_deliver+0x1be/0x560 net/ipv4/ip_input.c:254
dst_input include/net/dst.h:469 [inline]
ip_rcv_finish net/ipv4/ip_input.c:447 [inline]
NF_HOOK include/linux/netfilter.h:317 [inline]
NF_HOOK include/linux/netfilter.h:311 [inline]
ip_rcv+0x514/0x810 net/ipv4/ip_input.c:567
__netif_receive_skb_one_core+0x197/0x1e0 net/core/dev.c:5975
__netif_receive_skb+0x1f/0x120 net/core/dev.c:6088
process_backlog+0x301/0x1360 net/core/dev.c:6440
__napi_poll.constprop.0+0xba/0x550 net/core/dev.c:7453
napi_poll net/core/dev.c:7517 [inline]
net_rx_action+0xb44/0x1010 net/core/dev.c:7644
handle_softirqs+0x1d0/0x770 kernel/softirq.c:579
do_softirq+0x3f/0x90 kernel/softirq.c:480
</IRQ>
<TASK>
__local_bh_enable_ip+0xed/0x110 kernel/softirq.c:407
local_bh_enable include/linux/bottom_half.h:33 [inline]
inet_csk_listen_stop+0x2c5/0x1070 net/ipv4/inet_connection_sock.c:1524
mptcp_check_listen_stop.part.0+0x1cc/0x220 net/mptcp/protocol.c:2985
mptcp_check_listen_stop net/mptcp/mib.h:118 [inline]
__mptcp_close+0x9b9/0xbd0 net/mptcp/protocol.c:3000
mptcp_close+0x2f/0x140 net/mptcp/protocol.c:3066
inet_release+0xed/0x200 net/ipv4/af_inet.c:435
inet6_release+0x4f/0x70 net/ipv6/af_inet6.c:487
__sock_release+0xb3/0x270 net/socket.c:649
sock_close+0x1c/0x30 net/socket.c:1439
__fput+0x402/0xb70 fs/file_table.c:465
task_work_run+0x150/0x240 kernel/task_work.c:227
resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
exit_to_user_mode_loop+0xd4
---truncated---
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ► | Linux | Linux |
Version: 0530020a7c8f2204e784f0dbdc882bbd961fdbde Version: 0530020a7c8f2204e784f0dbdc882bbd961fdbde Version: 0530020a7c8f2204e784f0dbdc882bbd961fdbde Version: 0530020a7c8f2204e784f0dbdc882bbd961fdbde Version: 609937aa962a62e93acfc04dd370b665e6152dfb Version: 6654efe264b014d8ea9fc38f79efb568b1b79069 |
|
{
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"net/mptcp/options.c",
"net/mptcp/protocol.c",
"net/mptcp/protocol.h",
"net/mptcp/subflow.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "75a4c9ab8a7af0d76b31ccd1188ed178c38b35d2",
"status": "affected",
"version": "0530020a7c8f2204e784f0dbdc882bbd961fdbde",
"versionType": "git"
},
{
"lessThan": "54999dea879fecb761225e28f274b40662918c30",
"status": "affected",
"version": "0530020a7c8f2204e784f0dbdc882bbd961fdbde",
"versionType": "git"
},
{
"lessThan": "1d82a8fe6ee4afdc92f4e8808c9dad2a6095bbc5",
"status": "affected",
"version": "0530020a7c8f2204e784f0dbdc882bbd961fdbde",
"versionType": "git"
},
{
"lessThan": "f8a1d9b18c5efc76784f5a326e905f641f839894",
"status": "affected",
"version": "0530020a7c8f2204e784f0dbdc882bbd961fdbde",
"versionType": "git"
},
{
"status": "affected",
"version": "609937aa962a62e93acfc04dd370b665e6152dfb",
"versionType": "git"
},
{
"status": "affected",
"version": "6654efe264b014d8ea9fc38f79efb568b1b79069",
"versionType": "git"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"net/mptcp/options.c",
"net/mptcp/protocol.c",
"net/mptcp/protocol.h",
"net/mptcp/subflow.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "5.19"
},
{
"lessThan": "5.19",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"version": "6.6.101",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"version": "6.12.40",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.15.*",
"status": "unaffected",
"version": "6.15.8",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "6.16",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.6.101",
"versionStartIncluding": "5.19",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.12.40",
"versionStartIncluding": "5.19",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.15.8",
"versionStartIncluding": "5.19",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.16",
"versionStartIncluding": "5.19",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.10.228",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.15.169",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmptcp: make fallback action and fallback decision atomic\n\nSyzkaller reported the following splat:\n\n WARNING: CPU: 1 PID: 7704 at net/mptcp/protocol.h:1223 __mptcp_do_fallback net/mptcp/protocol.h:1223 [inline]\n WARNING: CPU: 1 PID: 7704 at net/mptcp/protocol.h:1223 mptcp_do_fallback net/mptcp/protocol.h:1244 [inline]\n WARNING: CPU: 1 PID: 7704 at net/mptcp/protocol.h:1223 check_fully_established net/mptcp/options.c:982 [inline]\n WARNING: CPU: 1 PID: 7704 at net/mptcp/protocol.h:1223 mptcp_incoming_options+0x21a8/0x2510 net/mptcp/options.c:1153\n Modules linked in:\n CPU: 1 UID: 0 PID: 7704 Comm: syz.3.1419 Not tainted 6.16.0-rc3-gbd5ce2324dba #20 PREEMPT(voluntary)\n Hardware name: QEMU Ubuntu 24.04 PC (i440FX + PIIX, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014\n RIP: 0010:__mptcp_do_fallback net/mptcp/protocol.h:1223 [inline]\n RIP: 0010:mptcp_do_fallback net/mptcp/protocol.h:1244 [inline]\n RIP: 0010:check_fully_established net/mptcp/options.c:982 [inline]\n RIP: 0010:mptcp_incoming_options+0x21a8/0x2510 net/mptcp/options.c:1153\n Code: 24 18 e8 bb 2a 00 fd e9 1b df ff ff e8 b1 21 0f 00 e8 ec 5f c4 fc 44 0f b7 ac 24 b0 00 00 00 e9 54 f1 ff ff e8 d9 5f c4 fc 90 \u003c0f\u003e 0b 90 e9 b8 f4 ff ff e8 8b 2a 00 fd e9 8d e6 ff ff e8 81 2a 00\n RSP: 0018:ffff8880a3f08448 EFLAGS: 00010246\n RAX: 0000000000000000 RBX: ffff8880180a8000 RCX: ffffffff84afcf45\n RDX: ffff888090223700 RSI: ffffffff84afdaa7 RDI: 0000000000000001\n RBP: ffff888017955780 R08: 0000000000000001 R09: 0000000000000000\n R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000\n R13: ffff8880180a8910 R14: ffff8880a3e9d058 R15: 0000000000000000\n FS: 00005555791b8500(0000) GS:ffff88811c495000(0000) knlGS:0000000000000000\n CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n CR2: 000000110c2800b7 CR3: 0000000058e44000 CR4: 0000000000350ef0\n Call Trace:\n \u003cIRQ\u003e\n tcp_reset+0x26f/0x2b0 net/ipv4/tcp_input.c:4432\n tcp_validate_incoming+0x1057/0x1b60 net/ipv4/tcp_input.c:5975\n tcp_rcv_established+0x5b5/0x21f0 net/ipv4/tcp_input.c:6166\n tcp_v4_do_rcv+0x5dc/0xa70 net/ipv4/tcp_ipv4.c:1925\n tcp_v4_rcv+0x3473/0x44a0 net/ipv4/tcp_ipv4.c:2363\n ip_protocol_deliver_rcu+0xba/0x480 net/ipv4/ip_input.c:205\n ip_local_deliver_finish+0x2f1/0x500 net/ipv4/ip_input.c:233\n NF_HOOK include/linux/netfilter.h:317 [inline]\n NF_HOOK include/linux/netfilter.h:311 [inline]\n ip_local_deliver+0x1be/0x560 net/ipv4/ip_input.c:254\n dst_input include/net/dst.h:469 [inline]\n ip_rcv_finish net/ipv4/ip_input.c:447 [inline]\n NF_HOOK include/linux/netfilter.h:317 [inline]\n NF_HOOK include/linux/netfilter.h:311 [inline]\n ip_rcv+0x514/0x810 net/ipv4/ip_input.c:567\n __netif_receive_skb_one_core+0x197/0x1e0 net/core/dev.c:5975\n __netif_receive_skb+0x1f/0x120 net/core/dev.c:6088\n process_backlog+0x301/0x1360 net/core/dev.c:6440\n __napi_poll.constprop.0+0xba/0x550 net/core/dev.c:7453\n napi_poll net/core/dev.c:7517 [inline]\n net_rx_action+0xb44/0x1010 net/core/dev.c:7644\n handle_softirqs+0x1d0/0x770 kernel/softirq.c:579\n do_softirq+0x3f/0x90 kernel/softirq.c:480\n \u003c/IRQ\u003e\n \u003cTASK\u003e\n __local_bh_enable_ip+0xed/0x110 kernel/softirq.c:407\n local_bh_enable include/linux/bottom_half.h:33 [inline]\n inet_csk_listen_stop+0x2c5/0x1070 net/ipv4/inet_connection_sock.c:1524\n mptcp_check_listen_stop.part.0+0x1cc/0x220 net/mptcp/protocol.c:2985\n mptcp_check_listen_stop net/mptcp/mib.h:118 [inline]\n __mptcp_close+0x9b9/0xbd0 net/mptcp/protocol.c:3000\n mptcp_close+0x2f/0x140 net/mptcp/protocol.c:3066\n inet_release+0xed/0x200 net/ipv4/af_inet.c:435\n inet6_release+0x4f/0x70 net/ipv6/af_inet6.c:487\n __sock_release+0xb3/0x270 net/socket.c:649\n sock_close+0x1c/0x30 net/socket.c:1439\n __fput+0x402/0xb70 fs/file_table.c:465\n task_work_run+0x150/0x240 kernel/task_work.c:227\n resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]\n exit_to_user_mode_loop+0xd4\n---truncated---"
}
],
"providerMetadata": {
"dateUpdated": "2025-08-09T14:20:19.992Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/75a4c9ab8a7af0d76b31ccd1188ed178c38b35d2"
},
{
"url": "https://git.kernel.org/stable/c/54999dea879fecb761225e28f274b40662918c30"
},
{
"url": "https://git.kernel.org/stable/c/1d82a8fe6ee4afdc92f4e8808c9dad2a6095bbc5"
},
{
"url": "https://git.kernel.org/stable/c/f8a1d9b18c5efc76784f5a326e905f641f839894"
}
],
"title": "mptcp: make fallback action and fallback decision atomic",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2025-38491",
"datePublished": "2025-07-28T11:21:59.852Z",
"dateReserved": "2025-04-16T04:51:24.021Z",
"dateUpdated": "2025-08-09T14:20:19.992Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"nvd": "{\"cve\":{\"id\":\"CVE-2025-38491\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-07-28T12:15:31.240\",\"lastModified\":\"2025-08-01T09:15:33.303\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nmptcp: make fallback action and fallback decision atomic\\n\\nSyzkaller reported the following splat:\\n\\n WARNING: CPU: 1 PID: 7704 at net/mptcp/protocol.h:1223 __mptcp_do_fallback net/mptcp/protocol.h:1223 [inline]\\n WARNING: CPU: 1 PID: 7704 at net/mptcp/protocol.h:1223 mptcp_do_fallback net/mptcp/protocol.h:1244 [inline]\\n WARNING: CPU: 1 PID: 7704 at net/mptcp/protocol.h:1223 check_fully_established net/mptcp/options.c:982 [inline]\\n WARNING: CPU: 1 PID: 7704 at net/mptcp/protocol.h:1223 mptcp_incoming_options+0x21a8/0x2510 net/mptcp/options.c:1153\\n Modules linked in:\\n CPU: 1 UID: 0 PID: 7704 Comm: syz.3.1419 Not tainted 6.16.0-rc3-gbd5ce2324dba #20 PREEMPT(voluntary)\\n Hardware name: QEMU Ubuntu 24.04 PC (i440FX + PIIX, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014\\n RIP: 0010:__mptcp_do_fallback net/mptcp/protocol.h:1223 [inline]\\n RIP: 0010:mptcp_do_fallback net/mptcp/protocol.h:1244 [inline]\\n RIP: 0010:check_fully_established net/mptcp/options.c:982 [inline]\\n RIP: 0010:mptcp_incoming_options+0x21a8/0x2510 net/mptcp/options.c:1153\\n Code: 24 18 e8 bb 2a 00 fd e9 1b df ff ff e8 b1 21 0f 00 e8 ec 5f c4 fc 44 0f b7 ac 24 b0 00 00 00 e9 54 f1 ff ff e8 d9 5f c4 fc 90 \u003c0f\u003e 0b 90 e9 b8 f4 ff ff e8 8b 2a 00 fd e9 8d e6 ff ff e8 81 2a 00\\n RSP: 0018:ffff8880a3f08448 EFLAGS: 00010246\\n RAX: 0000000000000000 RBX: ffff8880180a8000 RCX: ffffffff84afcf45\\n RDX: ffff888090223700 RSI: ffffffff84afdaa7 RDI: 0000000000000001\\n RBP: ffff888017955780 R08: 0000000000000001 R09: 0000000000000000\\n R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000\\n R13: ffff8880180a8910 R14: ffff8880a3e9d058 R15: 0000000000000000\\n FS: 00005555791b8500(0000) GS:ffff88811c495000(0000) knlGS:0000000000000000\\n CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\\n CR2: 000000110c2800b7 CR3: 0000000058e44000 CR4: 0000000000350ef0\\n Call Trace:\\n \u003cIRQ\u003e\\n tcp_reset+0x26f/0x2b0 net/ipv4/tcp_input.c:4432\\n tcp_validate_incoming+0x1057/0x1b60 net/ipv4/tcp_input.c:5975\\n tcp_rcv_established+0x5b5/0x21f0 net/ipv4/tcp_input.c:6166\\n tcp_v4_do_rcv+0x5dc/0xa70 net/ipv4/tcp_ipv4.c:1925\\n tcp_v4_rcv+0x3473/0x44a0 net/ipv4/tcp_ipv4.c:2363\\n ip_protocol_deliver_rcu+0xba/0x480 net/ipv4/ip_input.c:205\\n ip_local_deliver_finish+0x2f1/0x500 net/ipv4/ip_input.c:233\\n NF_HOOK include/linux/netfilter.h:317 [inline]\\n NF_HOOK include/linux/netfilter.h:311 [inline]\\n ip_local_deliver+0x1be/0x560 net/ipv4/ip_input.c:254\\n dst_input include/net/dst.h:469 [inline]\\n ip_rcv_finish net/ipv4/ip_input.c:447 [inline]\\n NF_HOOK include/linux/netfilter.h:317 [inline]\\n NF_HOOK include/linux/netfilter.h:311 [inline]\\n ip_rcv+0x514/0x810 net/ipv4/ip_input.c:567\\n __netif_receive_skb_one_core+0x197/0x1e0 net/core/dev.c:5975\\n __netif_receive_skb+0x1f/0x120 net/core/dev.c:6088\\n process_backlog+0x301/0x1360 net/core/dev.c:6440\\n __napi_poll.constprop.0+0xba/0x550 net/core/dev.c:7453\\n napi_poll net/core/dev.c:7517 [inline]\\n net_rx_action+0xb44/0x1010 net/core/dev.c:7644\\n handle_softirqs+0x1d0/0x770 kernel/softirq.c:579\\n do_softirq+0x3f/0x90 kernel/softirq.c:480\\n \u003c/IRQ\u003e\\n \u003cTASK\u003e\\n __local_bh_enable_ip+0xed/0x110 kernel/softirq.c:407\\n local_bh_enable include/linux/bottom_half.h:33 [inline]\\n inet_csk_listen_stop+0x2c5/0x1070 net/ipv4/inet_connection_sock.c:1524\\n mptcp_check_listen_stop.part.0+0x1cc/0x220 net/mptcp/protocol.c:2985\\n mptcp_check_listen_stop net/mptcp/mib.h:118 [inline]\\n __mptcp_close+0x9b9/0xbd0 net/mptcp/protocol.c:3000\\n mptcp_close+0x2f/0x140 net/mptcp/protocol.c:3066\\n inet_release+0xed/0x200 net/ipv4/af_inet.c:435\\n inet6_release+0x4f/0x70 net/ipv6/af_inet6.c:487\\n __sock_release+0xb3/0x270 net/socket.c:649\\n sock_close+0x1c/0x30 net/socket.c:1439\\n __fput+0x402/0xb70 fs/file_table.c:465\\n task_work_run+0x150/0x240 kernel/task_work.c:227\\n resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]\\n exit_to_user_mode_loop+0xd4\\n---truncated---\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: mptcp: hacer que la acci\u00f3n y la decisi\u00f3n de fallback sean at\u00f3micas Syzkaller inform\u00f3 del siguiente splat: WARNING: CPU: 1 PID: 7704 at net/mptcp/protocol.h:1223 __mptcp_do_fallback net/mptcp/protocol.h:1223 [inline] WARNING: CPU: 1 PID: 7704 at net/mptcp/protocol.h:1223 mptcp_do_fallback net/mptcp/protocol.h:1244 [inline] WARNING: CPU: 1 PID: 7704 at net/mptcp/protocol.h:1223 check_fully_established net/mptcp/options.c:982 [inline] WARNING: CPU: 1 PID: 7704 at net/mptcp/protocol.h:1223 mptcp_incoming_options+0x21a8/0x2510 net/mptcp/options.c:1153 Modules linked in: CPU: 1 UID: 0 PID: 7704 Comm: syz.3.1419 Not tainted 6.16.0-rc3-gbd5ce2324dba #20 PREEMPT(voluntary) Hardware name: QEMU Ubuntu 24.04 PC (i440FX + PIIX, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 RIP: 0010:__mptcp_do_fallback net/mptcp/protocol.h:1223 [inline] RIP: 0010:mptcp_do_fallback net/mptcp/protocol.h:1244 [inline] RIP: 0010:check_fully_established net/mptcp/options.c:982 [inline] RIP: 0010:mptcp_incoming_options+0x21a8/0x2510 net/mptcp/options.c:1153 Code: 24 18 e8 bb 2a 00 fd e9 1b df ff ff e8 b1 21 0f 00 e8 ec 5f c4 fc 44 0f b7 ac 24 b0 00 00 00 e9 54 f1 ff ff e8 d9 5f c4 fc 90 \u0026lt;0f\u0026gt; 0b 90 e9 b8 f4 ff ff e8 8b 2a 00 fd e9 8d e6 ff ff e8 81 2a 00 RSP: 0018:ffff8880a3f08448 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff8880180a8000 RCX: ffffffff84afcf45 RDX: ffff888090223700 RSI: ffffffff84afdaa7 RDI: 0000000000000001 RBP: ffff888017955780 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff8880180a8910 R14: ffff8880a3e9d058 R15: 0000000000000000 FS: 00005555791b8500(0000) GS:ffff88811c495000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c2800b7 CR3: 0000000058e44000 CR4: 0000000000350ef0 Call Trace: tcp_reset+0x26f/0x2b0 net/ipv4/tcp_input.c:4432 tcp_validate_incoming+0x1057/0x1b60 net/ipv4/tcp_input.c:5975 tcp_rcv_established+0x5b5/0x21f0 net/ipv4/tcp_input.c:6166 tcp_v4_do_rcv+0x5dc/0xa70 net/ipv4/tcp_ipv4.c:1925 tcp_v4_rcv+0x3473/0x44a0 net/ipv4/tcp_ipv4.c:2363 ip_protocol_deliver_rcu+0xba/0x480 net/ipv4/ip_input.c:205 ip_local_deliver_finish+0x2f1/0x500 net/ipv4/ip_input.c:233 NF_HOOK include/linux/netfilter.h:317 [inline] NF_HOOK include/linux/netfilter.h:311 [inline] ip_local_deliver+0x1be/0x560 net/ipv4/ip_input.c:254 dst_input include/net/dst.h:469 [inline] ip_rcv_finish net/ipv4/ip_input.c:447 [inline] NF_HOOK include/linux/netfilter.h:317 [inline] NF_HOOK include/linux/netfilter.h:311 [inline] ip_rcv+0x514/0x810 net/ipv4/ip_input.c:567 __netif_receive_skb_one_core+0x197/0x1e0 net/core/dev.c:5975 __netif_receive_skb+0x1f/0x120 net/core/dev.c:6088 process_backlog+0x301/0x1360 net/core/dev.c:6440 __napi_poll.constprop.0+0xba/0x550 net/core/dev.c:7453 napi_poll net/core/dev.c:7517 [inline] net_rx_action+0xb44/0x1010 net/core/dev.c:7644 handle_softirqs+0x1d0/0x770 kernel/softirq.c:579 do_softirq+0x3f/0x90 kernel/softirq.c:480 __local_bh_enable_ip+0xed/0x110 kernel/softirq.c:407 local_bh_enable include/linux/bottom_half.h:33 [inline] inet_csk_listen_stop+0x2c5/0x1070 net/ipv4/inet_connection_sock.c:1524 mptcp_check_listen_stop.part.0+0x1cc/0x220 net/mptcp/protocol.c:2985 mptcp_check_listen_stop net/mptcp/mib.h:118 [inline] __mptcp_close+0x9b9/0xbd0 net/mptcp/protocol.c:3000 mptcp_close+0x2f/0x140 net/mptcp/protocol.c:3066 inet_release+0xed/0x200 net/ipv4/af_inet.c:435 inet6_release+0x4f/0x70 net/ipv6/af_inet6.c:487 __sock_release+0xb3/0x270 net/socket.c:649 sock_close+0x1c/0x30 net/socket.c:1439 __fput+0x402/0xb70 fs/file_table.c:465 task_work_run+0x150/0x240 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xd4 ---truncated---\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/1d82a8fe6ee4afdc92f4e8808c9dad2a6095bbc5\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/54999dea879fecb761225e28f274b40662918c30\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/75a4c9ab8a7af0d76b31ccd1188ed178c38b35d2\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/f8a1d9b18c5efc76784f5a326e905f641f839894\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
}
}
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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.
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