| { |
| "containers": { |
| "cna": { |
| "providerMetadata": { |
| "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038" |
| }, |
| "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": "85712484110df308215077be6ee21c4e57d7dec2", |
| "lessThan": "c38add9ac0e4d4f418e6443a688491499021add9", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "85712484110df308215077be6ee21c4e57d7dec2", |
| "lessThan": "9729010a0ac5945c1bf6847dd0778d8a1a4b72ac", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "85712484110df308215077be6ee21c4e57d7dec2", |
| "lessThan": "ba8e65814e519eeb17d086952bce7de93f7a40da", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "85712484110df308215077be6ee21c4e57d7dec2", |
| "lessThan": "229dfdc36f31a8d47433438bc0e6e1662c4ab404", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "85712484110df308215077be6ee21c4e57d7dec2", |
| "lessThan": "db04d1848777ae52a7ab93c4591e7c0bf8f55fb4", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "85712484110df308215077be6ee21c4e57d7dec2", |
| "lessThan": "4dabcdf581217e60690467a37c956a5b8dbc6bd9", |
| "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", |
| "lessThanOrEqual": "*", |
| "status": "unaffected", |
| "versionType": "original_commit_for_fix" |
| } |
| ] |
| } |
| ], |
| "cpeApplicability": [ |
| { |
| "nodes": [ |
| { |
| "operator": "OR", |
| "negate": false, |
| "cpeMatch": [ |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.6", |
| "versionEndExcluding": "5.10.228" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.6", |
| "versionEndExcluding": "5.15.169" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.6", |
| "versionEndExcluding": "6.1.114" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.6", |
| "versionEndExcluding": "6.6.58" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.6", |
| "versionEndExcluding": "6.11.5" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.6", |
| "versionEndExcluding": "6.12" |
| } |
| ] |
| } |
| ] |
| } |
| ], |
| "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-1.2.0" |
| } |
| } |
| }, |
| "cveMetadata": { |
| "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", |
| "cveID": "CVE-2024-50083", |
| "requesterUserId": "gregkh@kernel.org", |
| "serial": "1", |
| "state": "PUBLISHED" |
| }, |
| "dataType": "CVE_RECORD", |
| "dataVersion": "5.0" |
| } |
