{ "document":{ "aggregate_severity":{ "namespace":"https://nvd.nist.gov/vuln-metrics/cvss", "text":"MEDIUM" }, "category":"csaf_vex", "csaf_version":"2.0", "distribution":{ "tlp":{ "label":"WHITE", "url":"https:/www.first.org/tlp/" } }, "lang":"en", "notes":[ { "text":"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 \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.", "category":"general", "title":"Synopsis" } ], "publisher":{ "issuing_authority":"openEuler security committee", "name":"openEuler", "namespace":"https://www.openeuler.org", "contact_details":"openeuler-security@openeuler.org", "category":"vendor" }, "references":[ { "summary":"nvd cve", "category":"external", "url":"https://nvd.nist.gov/vuln/detail/CVE-2024-53047" }, { "summary":"CVE-2024-53047 vex file", "category":"self", "url":"https://repo.openeuler.org/security/data/csaf/cve/2024/csaf-openeuler-cve-2024-53047.json" }, { "summary":"openEuler-SA-2024-2492", "category":"self", "url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2024-2492" }, { "summary":"CVE-2024-53047", "category":"self", "url":"https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2024-53047&packageName=kernel" } ], "title":"openEuler cve CVE-2024-53047", "tracking":{ "initial_release_date":"2024-11-29T19:56:15+08:00", "revision_history":[ { "date":"2024-11-29T19:56:15+08:00", "summary":"Initial", "number":"1.0.0" } ], "generator":{ "date":"2024-11-29T19:56:15+08:00", "engine":{ "name":"openEuler CSAF Tool V1.0" } }, "current_release_date":"2024-11-29T19:56:15+08:00", "id":"CVE-2024-53047", "version":"1.0.0", "status":"interim" } }, "product_tree":{ "branches":[ { "name":"openEuler", "category":"vendor", "branches":[ { "name":"openEuler", "branches":[ { "product":{ "product_identification_helper":{ "cpe":"cpe:/a:openEuler:openEuler:24.03-LTS" }, "product_id":"openEuler-24.03-LTS", "name":"openEuler-24.03-LTS" }, "name":"openEuler-24.03-LTS", "category":"product_version" } ], "category":"product_name" }, { "name":"x86_64", "branches":[ { "product":{ "product_identification_helper":{ "cpe":"cpe:/a:openEuler:openEuler:24.03-LTS" }, "product_id":"bpftool-6.6.0-57.0.0.59.oe2403.x86_64.rpm", "name":"bpftool-6.6.0-57.0.0.59.oe2403.x86_64.rpm" }, "name":"bpftool-6.6.0-57.0.0.59.oe2403.x86_64.rpm", 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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 \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.", "category":"description", "title":"Vulnerability Description" } ], "product_status":{ "fixed":[ "openEuler-24.03-LTS:bpftool-6.6.0-57.0.0.59.oe2403.x86_64", "openEuler-24.03-LTS:bpftool-debuginfo-6.6.0-57.0.0.59.oe2403.x86_64", "openEuler-24.03-LTS:kernel-6.6.0-57.0.0.59.oe2403.x86_64", "openEuler-24.03-LTS:kernel-debuginfo-6.6.0-57.0.0.59.oe2403.x86_64", "openEuler-24.03-LTS:kernel-debugsource-6.6.0-57.0.0.59.oe2403.x86_64", "openEuler-24.03-LTS:kernel-devel-6.6.0-57.0.0.59.oe2403.x86_64", "openEuler-24.03-LTS:kernel-headers-6.6.0-57.0.0.59.oe2403.x86_64", "openEuler-24.03-LTS:kernel-source-6.6.0-57.0.0.59.oe2403.x86_64", "openEuler-24.03-LTS:kernel-tools-6.6.0-57.0.0.59.oe2403.x86_64", "openEuler-24.03-LTS:kernel-tools-debuginfo-6.6.0-57.0.0.59.oe2403.x86_64", "openEuler-24.03-LTS:kernel-tools-devel-6.6.0-57.0.0.59.oe2403.x86_64", "openEuler-24.03-LTS:perf-6.6.0-57.0.0.59.oe2403.x86_64", 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