{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2024-53047", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-11-19T17:17:24.973Z", "datePublished": "2024-11-19T17:19:34.036Z", "dateUpdated": "2026-05-11T20:49:47.627Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T20:49:47.627Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmptcp: init: protect sched with rcu_read_lock\n\nEnabling CONFIG_PROVE_RCU_LIST with its dependence CONFIG_RCU_EXPERT\ncreates this splat when an MPTCP socket is created:\n\n =============================\n WARNING: suspicious RCU usage\n 6.12.0-rc2+ #11 Not tainted\n -----------------------------\n net/mptcp/sched.c:44 RCU-list traversed in non-reader section!!\n\n other info that might help us debug this:\n\n rcu_scheduler_active = 2, debug_locks = 1\n no locks held by mptcp_connect/176.\n\n stack backtrace:\n CPU: 0 UID: 0 PID: 176 Comm: mptcp_connect Not tainted 6.12.0-rc2+ #11\n Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011\n Call Trace:\n <TASK>\n dump_stack_lvl (lib/dump_stack.c:123)\n lockdep_rcu_suspicious (kernel/locking/lockdep.c:6822)\n mptcp_sched_find (net/mptcp/sched.c:44 (discriminator 7))\n mptcp_init_sock (net/mptcp/protocol.c:2867 (discriminator 1))\n ? sock_init_data_uid (arch/x86/include/asm/atomic.h:28)\n inet_create.part.0.constprop.0 (net/ipv4/af_inet.c:386)\n ? __sock_create (include/linux/rcupdate.h:347 (discriminator 1))\n __sock_create (net/socket.c:1576)\n __sys_socket (net/socket.c:1671)\n ? __pfx___sys_socket (net/socket.c:1712)\n ? do_user_addr_fault (arch/x86/mm/fault.c:1419 (discriminator 1))\n __x64_sys_socket (net/socket.c:1728)\n do_syscall_64 (arch/x86/entry/common.c:52 (discriminator 1))\n entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)\n\nThat's because when the socket is initialised, rcu_read_lock() is not\nused despite the explicit comment written above the declaration of\nmptcp_sched_find() in sched.c. Adding the missing lock/unlock avoids the\nwarning."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/mptcp/protocol.c"], "versions": [{"version": "1730b2b2c5a5a886007b247366aebe0976dc8881", "lessThan": "cb8b81ad3e893a6d18dcdd3754cc2ea2a42c0136", "status": "affected", "versionType": "git"}, {"version": "1730b2b2c5a5a886007b247366aebe0976dc8881", "lessThan": "494eb22f9a7bd03783e60595a57611c209175f1a", "status": "affected", "versionType": "git"}, {"version": "1730b2b2c5a5a886007b247366aebe0976dc8881", "lessThan": "3deb12c788c385e17142ce6ec50f769852fcec65", "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/protocol.c"], "versions": [{"version": "6.6", "status": "affected"}, {"version": "0", "lessThan": "6.6", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.60", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.11.7", "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": "6.6", "versionEndExcluding": "6.6.60"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6", "versionEndExcluding": "6.11.7"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6", "versionEndExcluding": "6.12"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/cb8b81ad3e893a6d18dcdd3754cc2ea2a42c0136"}, {"url": "https://git.kernel.org/stable/c/494eb22f9a7bd03783e60595a57611c209175f1a"}, {"url": "https://git.kernel.org/stable/c/3deb12c788c385e17142ce6ec50f769852fcec65"}], "title": "mptcp: init: protect sched with rcu_read_lock", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2024-53047", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2025-10-01T20:13:27.074924Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-667", "description": "CWE-667 Improper Locking"}]}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-10-01T20:17:18.913Z"}}]}}

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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "D65DC921-1258-459B-AC56-13B03E48CA9C", "versionEndExcluding": "6.6.60", "versionStartIncluding": "6.6", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "E96F53A4-5E87-4A70-BD9A-BC327828D57F", "versionEndExcluding": "6.11.7", "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}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc3:*:*:*:*:*:*", "matchCriteriaId": "3C95E234-D335-4B6C-96BF-E2CEBD8654ED", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc4:*:*:*:*:*:*", "matchCriteriaId": "E0F717D8-3014-4F84-8086-0124B2111379", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc5:*:*:*:*:*:*", "matchCriteriaId": "24DBE6C7-2AAE-4818-AED2-E131F153D2FA", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmptcp: init: protect sched with rcu_read_lock\n\nEnabling CONFIG_PROVE_RCU_LIST with its dependence CONFIG_RCU_EXPERT\ncreates this splat when an MPTCP socket is created:\n\n =============================\n WARNING: suspicious RCU usage\n 6.12.0-rc2+ #11 Not tainted\n -----------------------------\n net/mptcp/sched.c:44 RCU-list traversed in non-reader section!!\n\n other info that might help us debug this:\n\n rcu_scheduler_active = 2, debug_locks = 1\n no locks held by mptcp_connect/176.\n\n stack backtrace:\n CPU: 0 UID: 0 PID: 176 Comm: mptcp_connect Not tainted 6.12.0-rc2+ #11\n Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011\n Call Trace:\n <TASK>\n dump_stack_lvl (lib/dump_stack.c:123)\n lockdep_rcu_suspicious (kernel/locking/lockdep.c:6822)\n mptcp_sched_find (net/mptcp/sched.c:44 (discriminator 7))\n mptcp_init_sock (net/mptcp/protocol.c:2867 (discriminator 1))\n ? sock_init_data_uid (arch/x86/include/asm/atomic.h:28)\n inet_create.part.0.constprop.0 (net/ipv4/af_inet.c:386)\n ? __sock_create (include/linux/rcupdate.h:347 (discriminator 1))\n __sock_create (net/socket.c:1576)\n __sys_socket (net/socket.c:1671)\n ? __pfx___sys_socket (net/socket.c:1712)\n ? do_user_addr_fault (arch/x86/mm/fault.c:1419 (discriminator 1))\n __x64_sys_socket (net/socket.c:1728)\n do_syscall_64 (arch/x86/entry/common.c:52 (discriminator 1))\n entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)\n\nThat's because when the socket is initialised, rcu_read_lock() is not\nused despite the explicit comment written above the declaration of\nmptcp_sched_find() in sched.c. Adding the missing lock/unlock avoids the\nwarning."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: mptcp: init: proteger sched con rcu_read_lock Habilitar CONFIG_PROVE_RCU_LIST con su dependencia CONFIG_RCU_EXPERT crea este splat cuando se crea un socket MPTCP: ============================= ADVERTENCIA: uso sospechoso de RCU 6.12.0-rc2+ #11 No contaminado ----------------------------- net/mptcp/sched.c:44 \u00a1Lista de RCU recorrida en una secci\u00f3n que no es de lectura! Otra informaci\u00f3n que podr\u00eda ayudarnos a depurar esto: rcu_scheduler_active = 2, debug_locks = 1 no hay bloqueos retenidos por mptcp_connect/176. seguimiento de pila: CPU: 0 UID: 0 PID: 176 Comm: mptcp_connect No contaminado 6.12.0-rc2+ #11 Nombre del hardware: Bochs Bochs, BIOS Bochs 01/01/2011 Seguimiento de llamadas: dump_stack_lvl (lib/dump_stack.c:123) lockdep_rcu_suspicious (kernel/locking/lockdep.c:6822) mptcp_sched_find (net/mptcp/sched.c:44 (discriminador 7)) mptcp_init_sock (net/mptcp/protocol.c:2867 (discriminador 1)) ? __sock_create (include/linux/rcupdate.h:347 (discriminador 1)) __sock_create (net/socket.c:1576) __sys_socket (net/socket.c:1671) ? __pfx___sys_socket (net/socket.c:1712) ? do_user_addr_fault (arch/x86/mm/fault.c:1419 (discriminator 1)) __x64_sys_socket (net/socket.c:1728) do_syscall_64 (arch/x86/entry/common.c:52 (discriminator 1)) entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) Esto se debe a que cuando se inicializa el socket, no se utiliza rcu_read_lock() a pesar del comentario expl\u00edcito escrito encima de la declaraci\u00f3n de mptcp_sched_find() en sched.c. Agregar el bloqueo/desbloqueo faltante evita la advertencia."}], "id": "CVE-2024-53047", "lastModified": "2025-10-01T21:16:21.627", "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"}, {"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": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2024-11-19T18:15:25.060", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3deb12c788c385e17142ce6ec50f769852fcec65"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/494eb22f9a7bd03783e60595a57611c209175f1a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/cb8b81ad3e893a6d18dcdd3754cc2ea2a42c0136"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-667"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-667"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"affected_release": [{"advisory": "RHSA-2025:6966", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-570.12.1.el9_6", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2025-05-13T00:00:00Z"}, {"advisory": "RHSA-2025:6966", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-570.12.1.el9_6", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2025-05-13T00:00:00Z"}], "bugzilla": {"description": "kernel: mptcp: init: protect sched with rcu_read_lock", "id": "2327369", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2327369"}, "csaw": false, "cvss3": {"cvss3_base_score": "3.3", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L", "status": "verified"}, "cwe": "CWE-667", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nmptcp: init: protect sched with rcu_read_lock\nEnabling CONFIG_PROVE_RCU_LIST with its dependence CONFIG_RCU_EXPERT\ncreates this splat when an MPTCP socket is created:\n=============================\nWARNING: suspicious RCU usage\n6.12.0-rc2+ #11 Not tainted\n-----------------------------\nnet/mptcp/sched.c:44 RCU-list traversed in non-reader section!!\nother info that might help us debug this:\nrcu_scheduler_active = 2, debug_locks = 1\nno locks held by mptcp_connect/176.\nstack backtrace:\nCPU: 0 UID: 0 PID: 176 Comm: mptcp_connect Not tainted 6.12.0-rc2+ #11\nHardware name: Bochs Bochs, BIOS Bochs 01/01/2011\nCall Trace:\n<TASK>\ndump_stack_lvl (lib/dump_stack.c:123)\nlockdep_rcu_suspicious (kernel/locking/lockdep.c:6822)\nmptcp_sched_find (net/mptcp/sched.c:44 (discriminator 7))\nmptcp_init_sock (net/mptcp/protocol.c:2867 (discriminator 1))\n? sock_init_data_uid (arch/x86/include/asm/atomic.h:28)\ninet_create.part.0.constprop.0 (net/ipv4/af_inet.c:386)\n? __sock_create (include/linux/rcupdate.h:347 (discriminator 1))\n__sock_create (net/socket.c:1576)\n__sys_socket (net/socket.c:1671)\n? __pfx___sys_socket (net/socket.c:1712)\n? do_user_addr_fault (arch/x86/mm/fault.c:1419 (discriminator 1))\n__x64_sys_socket (net/socket.c:1728)\ndo_syscall_64 (arch/x86/entry/common.c:52 (discriminator 1))\nentry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)\nThat's because when the socket is initialised, rcu_read_lock() is not\nused despite the explicit comment written above the declaration of\nmptcp_sched_find() in sched.c. Adding the missing lock/unlock avoids the\nwarning."], "name": "CVE-2024-53047", "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": "2024-11-19T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-53047\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-53047\nhttps://lore.kernel.org/linux-cve-announce/2024111926-CVE-2024-53047-8214@gregkh/T"], "threat_severity": "Low"}

{}