{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2024-50249", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-10-21T19:36:19.979Z", "datePublished": "2024-11-09T10:14:57.833Z", "dateUpdated": "2024-12-19T09:36:31.628Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-12-19T09:36:31.628Z"}, "descriptions": [{"lang": "en", "value": "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 ]"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/acpi/cppc_acpi.c", "include/acpi/cppc_acpi.h"], "versions": [{"version": "94e8c988468dafde1d2bfe0532a60a3117f6394b", "lessThan": "c46d6b02588000c27b7b869388c2c0278bd0d173", "status": "affected", "versionType": "git"}, {"version": "f812ca13a0d3e3aa418da36b66ca40df0d6f9e60", "lessThan": "23039b4aaf1e82e0feea1060834d4ec34262e453", "status": "affected", "versionType": "git"}, {"version": "8ad28208be7bbe748e90442c45963ddbef0fd1e2", "lessThan": "0eb2b767c42fac61ab23c4063eb456baa4c2c262", "status": "affected", "versionType": "git"}, {"version": "20cde05aa8bcd7a5ff36a609d813189b7cdbe692", "lessThan": "43b1df48d1e7000a214acd1a81b8012ca8a929c8", "status": "affected", "versionType": "git"}, {"version": "60949b7b805424f21326b450ca4f1806c06d982e", "lessThan": "1c10941e34c5fdc0357e46a25bd130d9cf40b925", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/acpi/cppc_acpi.c", "include/acpi/cppc_acpi.h"], "versions": [{"version": "5.15.168", "lessThan": "5.15.171", "status": "affected", "versionType": "semver"}, {"version": "6.1.113", "lessThan": "6.1.116", "status": "affected", "versionType": "semver"}, {"version": "6.6.54", "lessThan": "6.6.60", "status": "affected", "versionType": "semver"}, {"version": "6.11.2", "lessThan": "6.11.7", "status": "affected", "versionType": "semver"}]}], "references": [{"url": "https://git.kernel.org/stable/c/c46d6b02588000c27b7b869388c2c0278bd0d173"}, {"url": "https://git.kernel.org/stable/c/23039b4aaf1e82e0feea1060834d4ec34262e453"}, {"url": "https://git.kernel.org/stable/c/0eb2b767c42fac61ab23c4063eb456baa4c2c262"}, {"url": "https://git.kernel.org/stable/c/43b1df48d1e7000a214acd1a81b8012ca8a929c8"}, {"url": "https://git.kernel.org/stable/c/1c10941e34c5fdc0357e46a25bd130d9cf40b925"}], "title": "ACPI: CPPC: Make rmw_lock a raw_spin_lock", "x_generator": {"engine": "bippy-5f407fcff5a0"}}}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "E7D1CD1E-855E-4C64-9844-472A5F946600", "versionEndExcluding": "5.15.171", "versionStartIncluding": "5.15.168", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "0784ED09-D629-4871-A504-544E89D6604D", "versionEndExcluding": "6.1.116", "versionStartIncluding": "6.1.113", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "9948264B-EE9F-44AE-A53F-08F7E9AB2D6A", "versionEndExcluding": "6.6.60", "versionStartIncluding": "6.6.54", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "B88D322F-6F03-45A1-8C58-9E45EAB64B13", "versionEndExcluding": "6.11", "versionStartIncluding": "6.10.13", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "2E287E86-AA84-4156-B0BE-E96F7654E4A5", "versionEndExcluding": "6.11.7", "versionStartIncluding": "6.11.2", "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\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 ]"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ACPI: CPPC: Convertir rmw_lock en raw_spin_lock Se activ\u00f3 el siguiente ERROR: ============================= [ ERROR: Contexto de espera no v\u00e1lido ] 6.12.0-rc2-XXX #406 No contaminado ----------------------------- kworker/1:1/62 est\u00e1 intentando bloquear: ffffff8801593030 (&cpc_ptr->rmw_lock){+.+.}-{3:3}, en: cpc_write+0xcc/0x370 otra informaci\u00f3n que podr\u00eda ayudarnos a depurar esto: context-{5:5} 2 bloqueos mantenidos por kworker/1:1/62: #0: ffffff897ef5ec98 (&rq->__lock){-.-.}-{2:2}, en: raw_spin_rq_lock_nested+0x2c/0x50 #1: ffffff880154e238 (&sg_policy->update_lock){....}-{2:2}, en: sugov_update_shared+0x3c/0x280 seguimiento de pila: CPU: 1 UID: 0 PID: 62 Comm: kworker/1:1 No contaminado 6.12.0-rc2-g9654bd3e8806 #406 Cola de trabajo: 0x0 (eventos) Seguimiento de llamadas: dump_backtrace+0xa4/0x130 show_stack+0x20/0x38 dump_stack_lvl+0x90/0xd0 dump_stack+0x18/0x28 __lock_acquire+0x480/0x1ad8 bloqueo_adquisici\u00f3n+0x114/0x310 bloqueo_giro_sin_engranaje+0x50/0x70 escritura_cpc+0xcc/0x370 rendimiento_establecimiento_cppc+0xa0/0x3a8 cambio_r\u00e1pido_de_frecuencia_de_cpuc+0x40/0xc0 cambio_r\u00e1pido_de_controlador_de_frecuencia_de_cpu+0x4c/0x218 actualizaci\u00f3n_compartida_sugov+0x234/0x280 promedio_de_carga_actualizaci\u00f3n+0x6ec/0x7b8 entidades_de_la_cola+0x108/0x830 tarea_de_la_cola_justa+0x58/0x408 __programaci\u00f3n+0x4f0/0x1070 programaci\u00f3n+0x54/0x130 subproceso_de_trabajo+0xc0/0x2e8 kthread+0x130/0x148 ret_from_fork+0x10/0x20 sugov_update_shared() bloquea un raw_spinlock mientras que cpc_write() bloquea un spinlock. Para tener un orden de espera correcto, actualice rmw_lock a un spinlock sin procesar y aseg\u00farese de que las interrupciones se desactiven en la CPU que lo contiene. [ rjw: ediciones del registro de cambios ]"}], "id": "CVE-2024-50249", "lastModified": "2024-11-14T17:01:11.577", "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"}]}, "published": "2024-11-09T11:15:10.743", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/0eb2b767c42fac61ab23c4063eb456baa4c2c262"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/1c10941e34c5fdc0357e46a25bd130d9cf40b925"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/23039b4aaf1e82e0feea1060834d4ec34262e453"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/43b1df48d1e7000a214acd1a81b8012ca8a929c8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c46d6b02588000c27b7b869388c2c0278bd0d173"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: ACPI: CPPC: Make rmw_lock a raw_spin_lock", "id": "2324872", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2324872"}, "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": "draft"}, "cwe": "CWE-667", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nACPI: CPPC: Make rmw_lock a raw_spin_lock\nThe following BUG was triggered:\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:\ndump_backtrace+0xa4/0x130\nshow_stack+0x20/0x38\ndump_stack_lvl+0x90/0xd0\ndump_stack+0x18/0x28\n__lock_acquire+0x480/0x1ad8\nlock_acquire+0x114/0x310\n_raw_spin_lock+0x50/0x70\ncpc_write+0xcc/0x370\ncppc_set_perf+0xa0/0x3a8\ncppc_cpufreq_fast_switch+0x40/0xc0\ncpufreq_driver_fast_switch+0x4c/0x218\nsugov_update_shared+0x234/0x280\nupdate_load_avg+0x6ec/0x7b8\ndequeue_entities+0x108/0x830\ndequeue_task_fair+0x58/0x408\n__schedule+0x4f0/0x1070\nschedule+0x54/0x130\nworker_thread+0xc0/0x2e8\nkthread+0x130/0x148\nret_from_fork+0x10/0x20\nsugov_update_shared() locks a raw_spinlock while cpc_write() locks a\nspinlock.\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[ rjw: Changelog edits ]"], "name": "CVE-2024-50249", "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": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-11-09T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-50249\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-50249\nhttps://lore.kernel.org/linux-cve-announce/2024110936-CVE-2024-50249-0984@gregkh/T"], "threat_severity": "Moderate"}