{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2024-50083", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-10-21T19:36:19.942Z", "datePublished": "2024-10-29T00:50:26.185Z", "dateUpdated": "2024-11-05T09:54:42.676Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-11-05T09:54:42.676Z"}, "descriptions": [{"lang": "en", "value": "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 <0f> 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 <IRQ>\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 </IRQ>\n <TASK>\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---"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/ipv4/tcp_output.c"], "versions": [{"version": "85712484110d", "lessThan": "c38add9ac0e4", "status": "affected", "versionType": "git"}, {"version": "85712484110d", "lessThan": "9729010a0ac5", "status": "affected", "versionType": "git"}, {"version": "85712484110d", "lessThan": "ba8e65814e51", "status": "affected", "versionType": "git"}, {"version": "85712484110d", "lessThan": "229dfdc36f31", "status": "affected", "versionType": "git"}, {"version": "85712484110d", "lessThan": "db04d1848777", "status": "affected", "versionType": "git"}, {"version": "85712484110d", "lessThan": "4dabcdf58121", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/ipv4/tcp_output.c"], "versions": [{"version": "5.6", "status": "affected"}, {"version": "0", "lessThan": "5.6", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.228", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.169", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.114", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.58", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.11.5", "lessThanOrEqual": "6.11.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12-rc3", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "references": [{"url": "https://git.kernel.org/stable/c/c38add9ac0e4d4f418e6443a688491499021add9"}, {"url": "https://git.kernel.org/stable/c/9729010a0ac5945c1bf6847dd0778d8a1a4b72ac"}, {"url": "https://git.kernel.org/stable/c/ba8e65814e519eeb17d086952bce7de93f7a40da"}, {"url": "https://git.kernel.org/stable/c/229dfdc36f31a8d47433438bc0e6e1662c4ab404"}, {"url": "https://git.kernel.org/stable/c/db04d1848777ae52a7ab93c4591e7c0bf8f55fb4"}, {"url": "https://git.kernel.org/stable/c/4dabcdf581217e60690467a37c956a5b8dbc6bd9"}], "title": "tcp: fix mptcp DSS corruption due to large pmtu xmit", "x_generator": {"engine": "bippy-9e1c9544281a"}}}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "23D95807-ADA5-452C-BBD3-C14EA7B6CC6D", "versionEndExcluding": "5.10.228", "versionStartIncluding": "5.6", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "18BEDAD6-86F8-457C-952F-C35698B3D07F", "versionEndExcluding": "5.15.169", "versionStartIncluding": "5.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "10FD2B3E-C7D9-4A9C-BD64-41877EDF88EB", "versionEndExcluding": "6.1.114", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "6B9489BC-825E-4EEE-8D93-F93C801988C8", "versionEndExcluding": "6.6.58", "versionStartIncluding": "6.2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "6E62D61A-F704-44DB-A311-17B7534DA7BC", "versionEndExcluding": "6.11.5", "versionStartIncluding": "6.7", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc1:*:*:*:*:*:*", "matchCriteriaId": "7F361E1D-580F-4A2D-A509-7615F73167A1", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc2:*:*:*:*:*:*", "matchCriteriaId": "925478D0-3E3D-4E6F-ACD5-09F28D5DF82C", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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 <0f> 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 <IRQ>\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 </IRQ>\n <TASK>\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---"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: tcp: se corrige la corrupci\u00f3n de DSS de mptcp debido a una gran xmit pmtu Syzkaller pudo desencadenar una corrupci\u00f3n de DSS: TCP: request_sock_subflow_v4: Posible inundaci\u00f3n de SYN en el puerto [::]:20002. Env\u00edo de cookies. ------------[ cortar aqu\u00ed ]------------ ADVERTENCIA: CPU: 0 PID: 5227 en net/mptcp/protocol.c:695 __mptcp_move_skbs_from_subflow+0x20a9/0x21f0 net/mptcp/protocol.c:695 M\u00f3dulos vinculados en: CPU: 0 UID: 0 PID: 5227 Comm: syz-executor350 No contaminado 6.11.0-syzkaller-08829-gaf9c191ac2a0 #0 Nombre del hardware: 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 C\u00f3digo: 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 &lt;0f&gt; 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: 000000000000055f0 RBP: 1ffff110062bf1ae R08: ffffffff8ba9cf12 R09: 1ffff110062bf1b8 R10: dffffc0000000000 R11: ffffed10062bf1b9 R12: 000000000000000 R13: dffffc0000000000 R14: 00000000700cec61 R15: 00000000000081e5 FS: 000055556679c380(0000) GS:ffff8880b8600000(0000) knlGS:00000000000000000 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 Seguimiento de llamadas: move_skbs_to_msk net/mptcp/protocol.c:811 [en l\u00ednea] mptcp_data_ready+0x29c/0xa90 net/mptcp/protocol.c:854 subflow_data_ready+0x34a/0x920 net/mptcp/subflow.c:1490 tcp_data_queue+0x20fd/0x76c0 net/ipv4/tcp_input.c:5283 tcp_rcv_established+0xfba/0x2020 net/ipv4/tcp_input.c:6237 tcp_v4_do_rcv+0x96d/0xc70 red/ipv4/tcp_ipv4.c:1915 tcp_v4_rcv+0x2dc0/0x37f0 red/ipv4/tcp_ipv4.c:2350 entrega_protocolo_ip_rcu+0x22e/0x440 red/ipv4/ip_input.c:205 entrega_local_ip_finish+0x341/0x5f0 red/ipv4/ip_input.c:233 NF_HOOK+0x3a4/0x450 incluir/linux/netfilter.h:314 NF_HOOK+0x3a4/0x450 incluir/linux/netfilter.h:314 __netif_receive_skb_one_core net/core/dev.c:5662 [en l\u00ednea] __netif_receive_skb+0x2bf/0x650 net/core/dev.c:5775 process_backlog+0x662/0x15b0 net/core/dev.c:6107 __napi_poll+0xcb/0x490 net/core/dev.c:6771 napi_poll net/core/dev.c:6840 [en l\u00ednea] net_rx_action+0x89b/0x1240 net/core/dev.c:6962 handle_softirqs+0x2c5/0x980 kernel/softirq.c:554 do_softirq+0x11b/0x1e0 kernel/softirq.c:455 __local_bh_enable_ip+0x1bb/0x200 kernel/softirq.c:382 local_bh_enable include/linux/bottom_half.h:33 [en l\u00ednea] rcu_read_unlock_bh include/linux/rcupdate.h:919 [en l\u00ednea] __dev_queue_xmit+0x1764/0x3e80 net/core/dev.c:4451 dev_queue_xmit include/linux/netdevice.h:3094 [en l\u00ednea] neigh_hh_output include/net/neighbour.h:526 [en l\u00ednea] neigh_output include/net/neighbour.h:540 [en l\u00ednea] ip_finish_output2+0xd41/0x1390 net/ipv4/ip_output.c:236 ip_local_out net/ipv4/ip_output.c:130 [en l\u00ednea] __ip_queue_xmit+0x118c/0x1b80 net/ipv4/ip_output.c:536 __tcp_transmit_skb+0x2544/0x3b30 net/ipv4/tcp_output.c:1466 tcp_transmit_skb net/ipv4/tcp_output.c:1484 [en l\u00ednea] tcp_mtu_probe net/ipv4/tcp_output.c:2547 [en l\u00ednea] tcp_write_xmit+0x641d/0x6bf0 net/ipv4/tcp_output.c:2752 __tcp_push_pending_frames+0x9b/0x360 net/ipv4/tcp_output.c:3015 tcp_push_pending_frames incluir/net/tcp.h:2107 [en l\u00ednea] tcp_data_snd_check net/ipv4/tcp_input.c:5714 [en l\u00ednea] tcp_rcv_established+0x1026/0x2020 net/ipv4/tcp_input.c:6239 tcp_v4_do_rcv+0x96d/0xc70 net/ipv4/tcp_ipv4.c:1915 sk_backlog_rcv incluir/net/sock.h:1113 [en l\u00ednea] __release_sock+0x214/0x350 net/core/sock.c:3072 release_sock+0x61/0x1f0 net/core/sock.c:3626 mptcp_push_ ---truncado---"}], "id": "CVE-2024-50083", "lastModified": "2024-10-30T15:07:02.577", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2024-10-29T01:15:05.240", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/229dfdc36f31a8d47433438bc0e6e1662c4ab404"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/4dabcdf581217e60690467a37c956a5b8dbc6bd9"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/9729010a0ac5945c1bf6847dd0778d8a1a4b72ac"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ba8e65814e519eeb17d086952bce7de93f7a40da"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c38add9ac0e4d4f418e6443a688491499021add9"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/db04d1848777ae52a7ab93c4591e7c0bf8f55fb4"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: tcp: fix mptcp DSS corruption due to large pmtu xmit", "id": "2322311", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2322311"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\ntcp: fix mptcp DSS corruption due to large pmtu xmit\nSyzkaller was able to trigger a DSS corruption:\nTCP: request_sock_subflow_v4: Possible SYN flooding on port [::]:20002. Sending cookies.\n------------[ cut here ]------------\nWARNING: CPU: 0 PID: 5227 at net/mptcp/protocol.c:695 __mptcp_move_skbs_from_subflow+0x20a9/0x21f0 net/mptcp/protocol.c:695\nModules linked in:\nCPU: 0 UID: 0 PID: 5227 Comm: syz-executor350 Not tainted 6.11.0-syzkaller-08829-gaf9c191ac2a0 #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024\nRIP: 0010:__mptcp_move_skbs_from_subflow+0x20a9/0x21f0 net/mptcp/protocol.c:695\nCode: 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\nRSP: 0018:ffffc90000006db8 EFLAGS: 00010246\nRAX: ffffffff8ba9df18 RBX: 00000000000055f0 RCX: ffff888030023c00\nRDX: 0000000000000100 RSI: 00000000000081e5 RDI: 00000000000055f0\nRBP: 1ffff110062bf1ae R08: ffffffff8ba9cf12 R09: 1ffff110062bf1b8\nR10: dffffc0000000000 R11: ffffed10062bf1b9 R12: 0000000000000000\nR13: dffffc0000000000 R14: 00000000700cec61 R15: 00000000000081e5\nFS: 000055556679c380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 0000000020287000 CR3: 0000000077892000 CR4: 00000000003506f0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nCall Trace:\n<IRQ>\nmove_skbs_to_msk net/mptcp/protocol.c:811 [inline]\nmptcp_data_ready+0x29c/0xa90 net/mptcp/protocol.c:854\nsubflow_data_ready+0x34a/0x920 net/mptcp/subflow.c:1490\ntcp_data_queue+0x20fd/0x76c0 net/ipv4/tcp_input.c:5283\ntcp_rcv_established+0xfba/0x2020 net/ipv4/tcp_input.c:6237\ntcp_v4_do_rcv+0x96d/0xc70 net/ipv4/tcp_ipv4.c:1915\ntcp_v4_rcv+0x2dc0/0x37f0 net/ipv4/tcp_ipv4.c:2350\nip_protocol_deliver_rcu+0x22e/0x440 net/ipv4/ip_input.c:205\nip_local_deliver_finish+0x341/0x5f0 net/ipv4/ip_input.c:233\nNF_HOOK+0x3a4/0x450 include/linux/netfilter.h:314\nNF_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\nprocess_backlog+0x662/0x15b0 net/core/dev.c:6107\n__napi_poll+0xcb/0x490 net/core/dev.c:6771\nnapi_poll net/core/dev.c:6840 [inline]\nnet_rx_action+0x89b/0x1240 net/core/dev.c:6962\nhandle_softirqs+0x2c5/0x980 kernel/softirq.c:554\ndo_softirq+0x11b/0x1e0 kernel/softirq.c:455\n</IRQ>\n<TASK>\n__local_bh_enable_ip+0x1bb/0x200 kernel/softirq.c:382\nlocal_bh_enable include/linux/bottom_half.h:33 [inline]\nrcu_read_unlock_bh include/linux/rcupdate.h:919 [inline]\n__dev_queue_xmit+0x1764/0x3e80 net/core/dev.c:4451\ndev_queue_xmit include/linux/netdevice.h:3094 [inline]\nneigh_hh_output include/net/neighbour.h:526 [inline]\nneigh_output include/net/neighbour.h:540 [inline]\nip_finish_output2+0xd41/0x1390 net/ipv4/ip_output.c:236\nip_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\ntcp_transmit_skb net/ipv4/tcp_output.c:1484 [inline]\ntcp_mtu_probe net/ipv4/tcp_output.c:2547 [inline]\ntcp_write_xmit+0x641d/0x6bf0 net/ipv4/tcp_output.c:2752\n__tcp_push_pending_frames+0x9b/0x360 net/ipv4/tcp_output.c:3015\ntcp_push_pending_frames include/net/tcp.h:2107 [inline]\ntcp_data_snd_check net/ipv4/tcp_input.c:5714 [inline]\ntcp_rcv_established+0x1026/0x2020 net/ipv4/tcp_input.c:6239\ntcp_v4_do_rcv+0x96d/0xc70 net/ipv4/tcp_ipv4.c:1915\nsk_backlog_rcv include/net/sock.h:1113 [inline]\n__release_sock+0x214/0x350 net/core/sock.c:3072\nrelease_sock+0x61/0x1f0 net/core/sock.c:3626\nmptcp_push_\n---truncated---"], "name": "CVE-2024-50083", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Will not fix", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Will not fix", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-10-29T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-50083\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-50083\nhttps://lore.kernel.org/linux-cve-announce/2024102937-CVE-2024-50083-539c@gregkh/T"], "threat_severity": "Moderate"}