{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-38491", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-04-16T04:51:24.021Z", "datePublished": "2025-07-28T11:21:59.852Z", "dateUpdated": "2026-05-12T12:05:09.215Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T21:29:02.773Z"}, "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 <0f> 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 <IRQ>\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 </IRQ>\n <TASK>\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---"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/mptcp/options.c", "net/mptcp/protocol.c", "net/mptcp/protocol.h", "net/mptcp/subflow.c"], "versions": [{"version": "0530020a7c8f2204e784f0dbdc882bbd961fdbde", "lessThan": "5586518bec27666c747cd52aabb62d485686d0bf", "status": "affected", "versionType": "git"}, {"version": "0530020a7c8f2204e784f0dbdc882bbd961fdbde", "lessThan": "75a4c9ab8a7af0d76b31ccd1188ed178c38b35d2", "status": "affected", "versionType": "git"}, {"version": "0530020a7c8f2204e784f0dbdc882bbd961fdbde", "lessThan": "54999dea879fecb761225e28f274b40662918c30", "status": "affected", "versionType": "git"}, {"version": "0530020a7c8f2204e784f0dbdc882bbd961fdbde", "lessThan": "1d82a8fe6ee4afdc92f4e8808c9dad2a6095bbc5", "status": "affected", "versionType": "git"}, {"version": "0530020a7c8f2204e784f0dbdc882bbd961fdbde", "lessThan": "f8a1d9b18c5efc76784f5a326e905f641f839894", "status": "affected", "versionType": "git"}, {"version": "609937aa962a62e93acfc04dd370b665e6152dfb", "status": "affected", "versionType": "git"}, {"version": "6654efe264b014d8ea9fc38f79efb568b1b79069", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": 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"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"}}, "adp": [{"title": "CVE Program Container", "references": [{"url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2025-11-03T17:38:59.794Z"}}, {"x_adpType": "supplier", "providerMetadata": {"orgId": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "shortName": "siemens-SADP", "dateUpdated": "2026-05-12T12:05:09.215Z"}, "affected": [{"vendor": "Siemens", "product": "SIMATIC CN 4100", "versions": [{"status": "affected", "version": "0", "lessThan": "V5.0", "versionType": "custom"}], "defaultStatus": "unknown"}], "references": [{"url": "https://cert-portal.siemens.com/productcert/html/ssa-032379.html"}]}]}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "7CEF9F93-A67A-45C9-9C51-0024664ACC19", "versionEndExcluding": "5.11", "versionStartIncluding": "5.10.228", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "9C85693E-DA17-43CB-991E-0810328B64A7", "versionEndExcluding": "5.16", "versionStartIncluding": "5.15.169", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "C1860945-7136-4B12-9B55-D522EF9C2FFD", "versionEndExcluding": "6.1.149", "versionStartIncluding": "5.19", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "686C7A1C-35F3-495D-9825-94B5BCED2705", "versionEndExcluding": "6.6.101", "versionStartIncluding": "6.2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "0099D5A4-B157-4D36-8858-982C7D579030", 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"85421F4E-C863-4ABF-B4B4-E887CC2F7F92", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.16:rc6:*:*:*:*:*:*", "matchCriteriaId": "3827F0D4-5FEE-4181-B267-5A45E7CA11FC", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*", "matchCriteriaId": "FA6FEEC2-9F11-4643-8827-749718254FED", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "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 <0f> 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 <IRQ>\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 </IRQ>\n <TASK>\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 &lt;0f&gt; 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---"}], "id": "CVE-2025-38491", "lastModified": "2026-05-12T13:16:51.200", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2025-07-28T12:15:31.240", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/1d82a8fe6ee4afdc92f4e8808c9dad2a6095bbc5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/54999dea879fecb761225e28f274b40662918c30"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5586518bec27666c747cd52aabb62d485686d0bf"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/75a4c9ab8a7af0d76b31ccd1188ed178c38b35d2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f8a1d9b18c5efc76784f5a326e905f641f839894"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"}, {"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "url": "https://cert-portal.siemens.com/productcert/html/ssa-032379.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-667"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: mptcp: make fallback action and fallback decision atomic", "id": "2383900", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2383900"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "details": ["No description is available for this CVE."], "name": "CVE-2025-38491", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-07-28T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-38491\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-38491\nhttps://lore.kernel.org/linux-cve-announce/2025072817-CVE-2025-38491-859c@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2025-07-29T10:01:00.000912+00:00", "updated": "2025-07-29T10:01:00.001052+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}