{ "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\nACPI: CPPC: Make rmw_lock a raw_spin_lock\n\nThe following BUG was triggered:\n\n=============================\n[ BUG: Invalid wait context ]\n6.12.0-rc2-XXX #406 Not tainted\n-----------------------------\nkworker/1:1/62 is trying to lock:\nffffff8801593030 (&cpc_ptr->rmw_lock){+.+.}-{3:3}, at: cpc_write+0xcc/0x370\nother info that might help us debug this:\ncontext-{5:5}\n2 locks held by kworker/1:1/62:\n #0: ffffff897ef5ec98 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2c/0x50\n #1: ffffff880154e238 (&sg_policy->update_lock){....}-{2:2}, at: sugov_update_shared+0x3c/0x280\nstack backtrace:\nCPU: 1 UID: 0 PID: 62 Comm: kworker/1:1 Not tainted 6.12.0-rc2-g9654bd3e8806 #406\nWorkqueue: 0x0 (events)\nCall trace:\n dump_backtrace+0xa4/0x130\n show_stack+0x20/0x38\n dump_stack_lvl+0x90/0xd0\n dump_stack+0x18/0x28\n __lock_acquire+0x480/0x1ad8\n lock_acquire+0x114/0x310\n _raw_spin_lock+0x50/0x70\n cpc_write+0xcc/0x370\n cppc_set_perf+0xa0/0x3a8\n cppc_cpufreq_fast_switch+0x40/0xc0\n cpufreq_driver_fast_switch+0x4c/0x218\n sugov_update_shared+0x234/0x280\n update_load_avg+0x6ec/0x7b8\n dequeue_entities+0x108/0x830\n dequeue_task_fair+0x58/0x408\n __schedule+0x4f0/0x1070\n schedule+0x54/0x130\n worker_thread+0xc0/0x2e8\n kthread+0x130/0x148\n ret_from_fork+0x10/0x20\n\nsugov_update_shared() locks a raw_spinlock while cpc_write() locks a\nspinlock.\n\nTo have a correct wait-type order, update rmw_lock to a raw spinlock and\nensure that interrupts will be disabled on the CPU holding it.\n\n[ rjw: Changelog edits ]", "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-2024-50249" }, { "summary":"CVE-2024-50249 vex file", "category":"self", "url":"https://repo.openeuler.org/security/data/csaf/cve/2024/csaf-openeuler-cve-2024-50249.json" }, { "summary":"openEuler-SA-2024-2537", "category":"self", "url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2024-2537" }, { "summary":"CVE-2024-50249", "category":"self", "url":"https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2024-50249&packageName=kernel" } ], "title":"openEuler cve CVE-2024-50249", "tracking":{ "initial_release_date":"2024-12-13T21:17:34+08:00", "revision_history":[ { "date":"2024-12-13T21:17:34+08:00", "summary":"Initial", "number":"1.0.0" } ], "generator":{ "date":"2024-12-13T21:17:34+08:00", "engine":{ "name":"openEuler CSAF Tool V1.0" } }, "current_release_date":"2024-12-13T21:17:34+08:00", "id":"CVE-2024-50249", "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":"aarch64", "branches":[ { "product":{ "product_identification_helper":{ "cpe":"cpe:/a:openEuler:openEuler:24.03-LTS" }, "product_id":"bpftool-6.6.0-64.0.0.61.oe2403.aarch64.rpm", "name":"bpftool-6.6.0-64.0.0.61.oe2403.aarch64.rpm" }, "name":"bpftool-6.6.0-64.0.0.61.oe2403.aarch64.rpm", "category":"product_version" }, { "product":{ "product_identification_helper":{ "cpe":"cpe:/a:openEuler:openEuler:24.03-LTS" }, 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openEuler-24.03-LTS" }, "category":"default_component_of" }, { "relates_to_product_reference":"openEuler-24.03-LTS", "product_reference":"kernel-6.6.0-64.0.0.61.oe2403.src.rpm", "full_product_name":{ "product_id":"openEuler-24.03-LTS:kernel-6.6.0-64.0.0.61.oe2403.src", "name":"kernel-6.6.0-64.0.0.61.oe2403.src as a component of openEuler-24.03-LTS" }, "category":"default_component_of" } ] }, "vulnerabilities":[ { "cve":"CVE-2024-50249", "notes":[ { "text":"In the Linux kernel, the following vulnerability has been resolved:\n\nACPI: CPPC: Make rmw_lock a raw_spin_lock\n\nThe following BUG was triggered:\n\n=============================\n[ BUG: Invalid wait context ]\n6.12.0-rc2-XXX #406 Not tainted\n-----------------------------\nkworker/1:1/62 is trying to lock:\nffffff8801593030 (&cpc_ptr->rmw_lock){+.+.}-{3:3}, at: cpc_write+0xcc/0x370\nother info that might help us debug this:\ncontext-{5:5}\n2 locks held by kworker/1:1/62:\n #0: ffffff897ef5ec98 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2c/0x50\n #1: ffffff880154e238 (&sg_policy->update_lock){....}-{2:2}, at: sugov_update_shared+0x3c/0x280\nstack backtrace:\nCPU: 1 UID: 0 PID: 62 Comm: kworker/1:1 Not tainted 6.12.0-rc2-g9654bd3e8806 #406\nWorkqueue: 0x0 (events)\nCall trace:\n dump_backtrace+0xa4/0x130\n show_stack+0x20/0x38\n dump_stack_lvl+0x90/0xd0\n dump_stack+0x18/0x28\n __lock_acquire+0x480/0x1ad8\n lock_acquire+0x114/0x310\n _raw_spin_lock+0x50/0x70\n cpc_write+0xcc/0x370\n cppc_set_perf+0xa0/0x3a8\n cppc_cpufreq_fast_switch+0x40/0xc0\n cpufreq_driver_fast_switch+0x4c/0x218\n sugov_update_shared+0x234/0x280\n update_load_avg+0x6ec/0x7b8\n dequeue_entities+0x108/0x830\n dequeue_task_fair+0x58/0x408\n __schedule+0x4f0/0x1070\n schedule+0x54/0x130\n worker_thread+0xc0/0x2e8\n kthread+0x130/0x148\n ret_from_fork+0x10/0x20\n\nsugov_update_shared() locks a raw_spinlock while cpc_write() locks a\nspinlock.\n\nTo have a correct wait-type order, update rmw_lock to a raw spinlock and\nensure that interrupts will be disabled on the CPU holding it.\n\n[ rjw: Changelog edits ]", "category":"description", "title":"Vulnerability Description" } ], "product_status":{ "fixed":[ "openEuler-24.03-LTS:bpftool-6.6.0-64.0.0.61.oe2403.aarch64", "openEuler-24.03-LTS:bpftool-debuginfo-6.6.0-64.0.0.61.oe2403.aarch64", "openEuler-24.03-LTS:kernel-6.6.0-64.0.0.61.oe2403.aarch64", "openEuler-24.03-LTS:kernel-debuginfo-6.6.0-64.0.0.61.oe2403.aarch64", "openEuler-24.03-LTS:kernel-debugsource-6.6.0-64.0.0.61.oe2403.aarch64", "openEuler-24.03-LTS:kernel-devel-6.6.0-64.0.0.61.oe2403.aarch64", "openEuler-24.03-LTS:kernel-headers-6.6.0-64.0.0.61.oe2403.aarch64", "openEuler-24.03-LTS:kernel-source-6.6.0-64.0.0.61.oe2403.aarch64", "openEuler-24.03-LTS:kernel-tools-6.6.0-64.0.0.61.oe2403.aarch64", "openEuler-24.03-LTS:kernel-tools-debuginfo-6.6.0-64.0.0.61.oe2403.aarch64", "openEuler-24.03-LTS:kernel-tools-devel-6.6.0-64.0.0.61.oe2403.aarch64", "openEuler-24.03-LTS:perf-6.6.0-64.0.0.61.oe2403.aarch64", 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"openEuler-24.03-LTS:kernel-tools-6.6.0-64.0.0.61.oe2403.x86_64", "openEuler-24.03-LTS:kernel-tools-debuginfo-6.6.0-64.0.0.61.oe2403.x86_64", "openEuler-24.03-LTS:kernel-tools-devel-6.6.0-64.0.0.61.oe2403.x86_64", "openEuler-24.03-LTS:perf-6.6.0-64.0.0.61.oe2403.x86_64", "openEuler-24.03-LTS:perf-debuginfo-6.6.0-64.0.0.61.oe2403.x86_64", "openEuler-24.03-LTS:python3-perf-6.6.0-64.0.0.61.oe2403.x86_64", "openEuler-24.03-LTS:python3-perf-debuginfo-6.6.0-64.0.0.61.oe2403.x86_64", "openEuler-24.03-LTS:kernel-6.6.0-64.0.0.61.oe2403.src" ], "details":"kernel security update", "category":"vendor_fix", "url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2024-2537" } ], "scores":[ { "cvss_v3":{ "baseSeverity":"MEDIUM", "baseScore":5.5, "vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version":"3.1" }, "products":[ "openEuler-24.03-LTS:bpftool-6.6.0-64.0.0.61.oe2403.aarch64", 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