CVE-2024-35894

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "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": "2026-08-05T11:30:46.642Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-05T11:30:46.642Z"}, "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."}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH"}, "scenarios": [{"lang": "en", "value": "AV:L - The vulnerable path is entered from a local syscall \u2014 `connect()`/`listen()` on an `IPPROTO_MPTCP` socket triggers the cgroup sock_ops hook on the grafted subflow before any packet is exchanged. No remote peer data is required to reach `mptcp_set_rcvlowat()` with the wrong sock type.\nAC:L - The type confusion is deterministic \u2014 no race and no memory-layout guessing is needed to reach it; creating an MPTCP socket and connecting reproduces it every time (as the BPF selftest did). Attack-relevant heap state (subflow send queue contents) is itself attacker-controlled.\nPR:L - On a realistic container/Kubernetes host that already has an administrator-installed cgroup sock_ops BPF program adjusting socket options, an ordinary unprivileged user needs no capability at all: `socket(AF_INET, SOCK_STREAM, IPPROTO_MPTCP)` requires no privilege and `connect()` drives the confusion.\nUI:N - The attacker triggers the bug entirely through their own syscalls on their own socket. No action by any other user or administrator is needed at exploitation time.\nS:U - The corruption stays within the kernel's own security authority \u2014 there is no VM, IOMMU, or sandbox boundary crossed. This is a standard in-kernel type confusion.\nC:H - Type confusion between `struct mptcp_sock` and `struct tcp_sock` causes pointers to be synthesized from unrelated socket memory and dereferenced, and the resulting `sk_rcvbuf`/`window_clamp` corruption at attacker-influenced addresses can be groomed into a read primitive. Per kernel scoring guidance, memory corruption leveragable for disclosure is High.\nI:H - `mptcp_for_each_subflow()` iterates a list head read out of type-confused memory and performs `WRITE_ONCE(ssk->sk_rcvbuf, space)` plus `tcp_sk(ssk)->window_clamp = val` through the resulting wild pointer, giving two 32-bit writes with attacker-influenced values at attacker-influenceable addresses \u2014 a control-flow-hijack-capable primitive.\nA:H - The confusion reliably produces a kernel oops: `do_div()` on the aliased `scaling_ratio` byte faults if it reads zero, and `lock_sock_fast()` on the bogus subflow pointer (typically a timestamp-derived non-canonical address) causes a general protection fault, plus the reported `WARN_ON_ONCE` panics under `panic_on_warn`."}]}], "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": "124a4885b55f3039c697feb53edc5ad88bf21161", "lessThan": "ee3c845787b621cfe82c2e52c513024a9d7a78f5", "status": "affected", "versionType": "git"}, {"version": "5684ab1a0effbfeb706f47d85785f653005b97b1", "lessThan": "3ffb1ab698376f09cc33101c07c1be229389fe29", "status": "affected", "versionType": "git"}, {"version": "5684ab1a0effbfeb706f47d85785f653005b97b1", "lessThan": "fcf4692fa39e86a590c14a4af2de704e1d20a3b5", "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"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.7", "versionEndExcluding": "6.8.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.7", "versionEndExcluding": "6.9"}]}]}], "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-1.2.0"}}, "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"}}, {"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"]}, {"url": "https://security.netapp.com/advisory/ntap-20250321-0002/"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2025-03-21T18:03:47.343Z"}}]}}

{"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"]}, {"url": "https://security.netapp.com/advisory/ntap-20250321-0002/"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2025-03-21T18:03:47.343Z"}}, {"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.", "metrics": [{"cvssV3_1": {"version": "3.1", "baseScore": 7.8, "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}, "scenarios": [{"lang": "en", "value": "AV:L - The vulnerable path is entered from a local syscall \u2014 `connect()`/`listen()` on an `IPPROTO_MPTCP` socket triggers the cgroup sock_ops hook on the grafted subflow before any packet is exchanged. No remote peer data is required to reach `mptcp_set_rcvlowat()` with the wrong sock type.\nAC:L - The type confusion is deterministic \u2014 no race and no memory-layout guessing is needed to reach it; creating an MPTCP socket and connecting reproduces it every time (as the BPF selftest did). Attack-relevant heap state (subflow send queue contents) is itself attacker-controlled.\nPR:L - On a realistic container/Kubernetes host that already has an administrator-installed cgroup sock_ops BPF program adjusting socket options, an ordinary unprivileged user needs no capability at all: `socket(AF_INET, SOCK_STREAM, IPPROTO_MPTCP)` requires no privilege and `connect()` drives the confusion.\nUI:N - The attacker triggers the bug entirely through their own syscalls on their own socket. No action by any other user or administrator is needed at exploitation time.\nS:U - The corruption stays within the kernel's own security authority \u2014 there is no VM, IOMMU, or sandbox boundary crossed. This is a standard in-kernel type confusion.\nC:H - Type confusion between `struct mptcp_sock` and `struct tcp_sock` causes pointers to be synthesized from unrelated socket memory and dereferenced, and the resulting `sk_rcvbuf`/`window_clamp` corruption at attacker-influenced addresses can be groomed into a read primitive. Per kernel scoring guidance, memory corruption leveragable for disclosure is High.\nI:H - `mptcp_for_each_subflow()` iterates a list head read out of type-confused memory and performs `WRITE_ONCE(ssk->sk_rcvbuf, space)` plus `tcp_sk(ssk)->window_clamp = val` through the resulting wild pointer, giving two 32-bit writes with attacker-influenced values at attacker-influenceable addresses \u2014 a control-flow-hijack-capable primitive.\nA:H - The confusion reliably produces a kernel oops: `do_div()` on the aliased `scaling_ratio` byte faults if it reads zero, and `lock_sock_fast()` on the bogus subflow pointer (typically a timestamp-derived non-canonical address) causes a general protection fault, plus the reported `WARN_ON_ONCE` panics under `panic_on_warn`."}]}], "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "124a4885b55f3039c697feb53edc5ad88bf21161", "lessThan": "ee3c845787b621cfe82c2e52c513024a9d7a78f5", "versionType": "git"}, {"status": "affected", "version": "5684ab1a0effbfeb706f47d85785f653005b97b1", "lessThan": "3ffb1ab698376f09cc33101c07c1be229389fe29", "versionType": "git"}, {"status": "affected", "version": "5684ab1a0effbfeb706f47d85785f653005b97b1", "lessThan": "fcf4692fa39e86a590c14a4af2de704e1d20a3b5", "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": "semver"}, {"status": "unaffected", "version": "6.8.5", "versionType": "semver", "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-1.2.0"}, "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."}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.8.5", "versionStartIncluding": "6.7"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.9", "versionStartIncluding": "6.7"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-05T11:30:46.642Z"}}}, "cveMetadata": {"cveId": "CVE-2024-35894", "state": "PUBLISHED", "dateUpdated": "2026-08-05T11:30:46.642Z", "dateReserved": "2024-05-17T13:50:33.113Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-05-19T08:34:49.504Z", "assignerShortName": "Linux"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["net/mptcp/sockopt.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "ee3c845787b621cfe82c2e52c513024a9d7a78f5", "status": "affected", "version": "124a4885b55f3039c697feb53edc5ad88bf21161", "versionType": "git"}, {"lessThan": "3ffb1ab698376f09cc33101c07c1be229389fe29", "status": "affected", "version": "5684ab1a0effbfeb706f47d85785f653005b97b1", "versionType": "git"}, {"lessThan": "fcf4692fa39e86a590c14a4af2de704e1d20a3b5", "status": "affected", "version": "5684ab1a0effbfeb706f47d85785f653005b97b1", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["net/mptcp/sockopt.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.7"}, {"lessThan": "6.7", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.8.*", "status": "unaffected", "version": "6.8.5", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "6.9", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "DBD6C99E-4250-4DFE-8447-FF2075939D10", "versionEndExcluding": "6.8.5", "versionStartIncluding": "6.7", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.9:rc1:*:*:*:*:*:*", "matchCriteriaId": "22BEDD49-2C6D-402D-9DBF-6646F6ECD10B", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.9:rc2:*:*:*:*:*:*", "matchCriteriaId": "DF73CB2A-DFFD-46FB-9BFE-AA394F27EA37", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "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": "2026-08-04T11:18:07.527", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2024-35894", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-05-23T17:19:11.932851Z", "version": "2.0.3"}}]}, "published": "2024-05-19T09:15:10.397", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3ffb1ab698376f09cc33101c07c1be229389fe29"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ee3c845787b621cfe82c2e52c513024a9d7a78f5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/fcf4692fa39e86a590c14a4af2de704e1d20a3b5"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3ffb1ab698376f09cc33101c07c1be229389fe29"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/fcf4692fa39e86a590c14a4af2de704e1d20a3b5"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://security.netapp.com/advisory/ntap-20250321-0002/"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"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"}

{}