{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2024-35894", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-05-17T13:50:33.113Z", "datePublished": "2024-05-19T08:34:49.504Z", "dateUpdated": "2024-11-05T09:24:36.425Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-11-05T09:24:36.425Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmptcp: prevent BPF accessing lowat from a subflow socket.\n\nAlexei reported the following splat:\n\n WARNING: CPU: 32 PID: 3276 at net/mptcp/subflow.c:1430 subflow_data_ready+0x147/0x1c0\n Modules linked in: dummy bpf_testmod(O) [last unloaded: bpf_test_no_cfi(O)]\n CPU: 32 PID: 3276 Comm: test_progs Tainted: GO 6.8.0-12873-g2c43c33bfd23\n Call Trace:\n <TASK>\n mptcp_set_rcvlowat+0x79/0x1d0\n sk_setsockopt+0x6c0/0x1540\n __bpf_setsockopt+0x6f/0x90\n bpf_sock_ops_setsockopt+0x3c/0x90\n bpf_prog_509ce5db2c7f9981_bpf_test_sockopt_int+0xb4/0x11b\n bpf_prog_dce07e362d941d2b_bpf_test_socket_sockopt+0x12b/0x132\n bpf_prog_348c9b5faaf10092_skops_sockopt+0x954/0xe86\n __cgroup_bpf_run_filter_sock_ops+0xbc/0x250\n tcp_connect+0x879/0x1160\n tcp_v6_connect+0x50c/0x870\n mptcp_connect+0x129/0x280\n __inet_stream_connect+0xce/0x370\n inet_stream_connect+0x36/0x50\n bpf_trampoline_6442491565+0x49/0xef\n inet_stream_connect+0x5/0x50\n __sys_connect+0x63/0x90\n __x64_sys_connect+0x14/0x20\n\nThe root cause of the issue is that bpf allows accessing mptcp-level\nproto_ops from a tcp subflow scope.\n\nFix the issue detecting the problematic call and preventing any action."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/mptcp/sockopt.c"], "versions": [{"version": "124a4885b55f", "lessThan": "ee3c845787b6", "status": "affected", "versionType": "git"}, {"version": "5684ab1a0eff", "lessThan": "3ffb1ab69837", "status": "affected", "versionType": "git"}, {"version": "5684ab1a0eff", "lessThan": "fcf4692fa39e", "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/mptcp/sockopt.c"], "versions": [{"version": "6.7", "status": "affected"}, {"version": "0", "lessThan": "6.7", "status": "unaffected", "versionType": "semver"}, {"version": "6.8.5", "lessThanOrEqual": "6.8.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.9", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "references": [{"url": "https://git.kernel.org/stable/c/ee3c845787b621cfe82c2e52c513024a9d7a78f5"}, {"url": "https://git.kernel.org/stable/c/3ffb1ab698376f09cc33101c07c1be229389fe29"}, {"url": "https://git.kernel.org/stable/c/fcf4692fa39e86a590c14a4af2de704e1d20a3b5"}], "title": "mptcp: prevent BPF accessing lowat from a subflow socket.", "x_generator": {"engine": "bippy-9e1c9544281a"}}, "adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2024-35894", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-05-23T17:19:11.932851Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-04T17:34:48.035Z"}}, {"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T03:21:48.990Z"}, "title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/3ffb1ab698376f09cc33101c07c1be229389fe29", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/fcf4692fa39e86a590c14a4af2de704e1d20a3b5", "tags": ["x_transferred"]}]}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/3ffb1ab698376f09cc33101c07c1be229389fe29", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/fcf4692fa39e86a590c14a4af2de704e1d20a3b5", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T03:21:48.990Z"}}, {"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2024-35894", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-05-23T17:19:11.932851Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-05-23T19:01:25.738Z"}, "title": "CISA ADP Vulnrichment"}], "cna": {"title": "mptcp: prevent BPF accessing lowat from a subflow socket.", "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "124a4885b55f", "lessThan": "ee3c845787b6", "versionType": "git"}, {"status": "affected", "version": "5684ab1a0eff", "lessThan": "3ffb1ab69837", "versionType": "git"}, {"status": "affected", "version": "5684ab1a0eff", "lessThan": "fcf4692fa39e", "versionType": "git"}], "programFiles": ["net/mptcp/sockopt.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "6.7"}, {"status": "unaffected", "version": "0", "lessThan": "6.7", "versionType": "custom"}, {"status": "unaffected", "version": "6.8.5", "versionType": "custom", "lessThanOrEqual": "6.8.*"}, {"status": "unaffected", "version": "6.9", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["net/mptcp/sockopt.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/ee3c845787b621cfe82c2e52c513024a9d7a78f5"}, {"url": "https://git.kernel.org/stable/c/3ffb1ab698376f09cc33101c07c1be229389fe29"}, {"url": "https://git.kernel.org/stable/c/fcf4692fa39e86a590c14a4af2de704e1d20a3b5"}], "x_generator": {"engine": "bippy-c9c4e1df01b2"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmptcp: prevent BPF accessing lowat from a subflow socket.\n\nAlexei reported the following splat:\n\n WARNING: CPU: 32 PID: 3276 at net/mptcp/subflow.c:1430 subflow_data_ready+0x147/0x1c0\n Modules linked in: dummy bpf_testmod(O) [last unloaded: bpf_test_no_cfi(O)]\n CPU: 32 PID: 3276 Comm: test_progs Tainted: GO 6.8.0-12873-g2c43c33bfd23\n Call Trace:\n <TASK>\n mptcp_set_rcvlowat+0x79/0x1d0\n sk_setsockopt+0x6c0/0x1540\n __bpf_setsockopt+0x6f/0x90\n bpf_sock_ops_setsockopt+0x3c/0x90\n bpf_prog_509ce5db2c7f9981_bpf_test_sockopt_int+0xb4/0x11b\n bpf_prog_dce07e362d941d2b_bpf_test_socket_sockopt+0x12b/0x132\n bpf_prog_348c9b5faaf10092_skops_sockopt+0x954/0xe86\n __cgroup_bpf_run_filter_sock_ops+0xbc/0x250\n tcp_connect+0x879/0x1160\n tcp_v6_connect+0x50c/0x870\n mptcp_connect+0x129/0x280\n __inet_stream_connect+0xce/0x370\n inet_stream_connect+0x36/0x50\n bpf_trampoline_6442491565+0x49/0xef\n inet_stream_connect+0x5/0x50\n __sys_connect+0x63/0x90\n __x64_sys_connect+0x14/0x20\n\nThe root cause of the issue is that bpf allows accessing mptcp-level\nproto_ops from a tcp subflow scope.\n\nFix the issue detecting the problematic call and preventing any action."}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-08-11T12:45:46.685Z"}}}, "cveMetadata": {"cveId": "CVE-2024-35894", "state": "PUBLISHED", "dateUpdated": "2024-08-11T12:45:46.685Z", "dateReserved": "2024-05-17T13:50:33.113Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-05-19T08:34:49.504Z", "assignerShortName": "Linux"}, "dataVersion": "5.1"}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmptcp: prevent BPF accessing lowat from a subflow socket.\n\nAlexei reported the following splat:\n\n WARNING: CPU: 32 PID: 3276 at net/mptcp/subflow.c:1430 subflow_data_ready+0x147/0x1c0\n Modules linked in: dummy bpf_testmod(O) [last unloaded: bpf_test_no_cfi(O)]\n CPU: 32 PID: 3276 Comm: test_progs Tainted: GO 6.8.0-12873-g2c43c33bfd23\n Call Trace:\n <TASK>\n mptcp_set_rcvlowat+0x79/0x1d0\n sk_setsockopt+0x6c0/0x1540\n __bpf_setsockopt+0x6f/0x90\n bpf_sock_ops_setsockopt+0x3c/0x90\n bpf_prog_509ce5db2c7f9981_bpf_test_sockopt_int+0xb4/0x11b\n bpf_prog_dce07e362d941d2b_bpf_test_socket_sockopt+0x12b/0x132\n bpf_prog_348c9b5faaf10092_skops_sockopt+0x954/0xe86\n __cgroup_bpf_run_filter_sock_ops+0xbc/0x250\n tcp_connect+0x879/0x1160\n tcp_v6_connect+0x50c/0x870\n mptcp_connect+0x129/0x280\n __inet_stream_connect+0xce/0x370\n inet_stream_connect+0x36/0x50\n bpf_trampoline_6442491565+0x49/0xef\n inet_stream_connect+0x5/0x50\n __sys_connect+0x63/0x90\n __x64_sys_connect+0x14/0x20\n\nThe root cause of the issue is that bpf allows accessing mptcp-level\nproto_ops from a tcp subflow scope.\n\nFix the issue detecting the problematic call and preventing any action."}, {"lang": "es", "value": "En el kernel de Linux se ha resuelto la siguiente vulnerabilidad: mptcp: impide que BPF acceda a lowat desde un socket de subflujo. Alexei inform\u00f3 el siguiente s\u00edmbolo: ADVERTENCIA: CPU: 32 PID: 3276 en net/mptcp/subflow.c:1430 subflow_data_ready+0x147/0x1c0 M\u00f3dulos vinculados en: ficticio bpf_testmod(O) [\u00faltima descarga: bpf_test_no_cfi(O)] CPU: 32 PID: 3276 Comunicaciones: test_progs Contaminado: GO 6.8.0-12873-g2c43c33bfd23 Seguimiento de llamadas: mptcp_set_rcvlowat+0x79/0x1d0 sk_setsockopt+0x6c0/0x1540 __bpf_setsockopt+0x6f/0x90 ock_ops_setsockopt+0x3c/0x90 bpf_prog_509ce5db2c7f9981_bpf_test_sockopt_int+0xb4/0x11b bpf_prog_dce07e362d941d2b_bpf_test_socket_sockopt+0x12b /0x132 bpf_prog_348c9b5faaf10092_skops_sockopt+0x954/0xe86 __cgroup_bpf_run_filter_sock_ops+0xbc/0x250 tcp_connect+0x879/0x1160 tcp_v6_connect+0x50c/0x870 x129/0x280 __inet_stream_connect+0xce/0x370 inet_stream_connect+0x36/0x50 bpf_trampoline_6442491565+0x49/0xef inet_stream_connect+0x5/0x50 __sys_connect+0x63 /0x90 __x64_sys_connect+0x14/0x20 La causa principal del problema es que bpf permite acceder a proto_ops de nivel mptcp desde un alcance de subflujo tcp. Solucione el problema al detectar la llamada problem\u00e1tica y evitar cualquier acci\u00f3n."}], "id": "CVE-2024-35894", "lastModified": "2024-08-12T13:38:21.393", "metrics": {}, "published": "2024-05-19T09:15:10.397", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3ffb1ab698376f09cc33101c07c1be229389fe29"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ee3c845787b621cfe82c2e52c513024a9d7a78f5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/fcf4692fa39e86a590c14a4af2de704e1d20a3b5"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"affected_release": [{"advisory": "RHSA-2024:9315", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-503.11.1.el9_5", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-11-12T00:00:00Z"}, {"advisory": "RHSA-2024:9315", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-503.11.1.el9_5", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-11-12T00:00:00Z"}], "bugzilla": {"description": "kernel: mptcp: prevent BPF accessing lowat from a subflow socket.", "id": "2281679", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2281679"}, "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": "verified"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nmptcp: prevent BPF accessing lowat from a subflow socket.\nAlexei reported the following splat:\nWARNING: CPU: 32 PID: 3276 at net/mptcp/subflow.c:1430 subflow_data_ready+0x147/0x1c0\nModules linked in: dummy bpf_testmod(O) [last unloaded: bpf_test_no_cfi(O)]\nCPU: 32 PID: 3276 Comm: test_progs Tainted: GO 6.8.0-12873-g2c43c33bfd23\nCall Trace:\n<TASK>\nmptcp_set_rcvlowat+0x79/0x1d0\nsk_setsockopt+0x6c0/0x1540\n__bpf_setsockopt+0x6f/0x90\nbpf_sock_ops_setsockopt+0x3c/0x90\nbpf_prog_509ce5db2c7f9981_bpf_test_sockopt_int+0xb4/0x11b\nbpf_prog_dce07e362d941d2b_bpf_test_socket_sockopt+0x12b/0x132\nbpf_prog_348c9b5faaf10092_skops_sockopt+0x954/0xe86\n__cgroup_bpf_run_filter_sock_ops+0xbc/0x250\ntcp_connect+0x879/0x1160\ntcp_v6_connect+0x50c/0x870\nmptcp_connect+0x129/0x280\n__inet_stream_connect+0xce/0x370\ninet_stream_connect+0x36/0x50\nbpf_trampoline_6442491565+0x49/0xef\ninet_stream_connect+0x5/0x50\n__sys_connect+0x63/0x90\n__x64_sys_connect+0x14/0x20\nThe root cause of the issue is that bpf allows accessing mptcp-level\nproto_ops from a tcp subflow scope.\nFix the issue detecting the problematic call and preventing any action."], "name": "CVE-2024-35894", "package_state": [{"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-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-05-19T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-35894\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-35894\nhttps://lore.kernel.org/linux-cve-announce/2024051949-CVE-2024-35894-fd19@gregkh/T"], "threat_severity": "Low", "upstream_fix": "kernel 6.8.5, kernel 6.9"}