CVE-2025-38624

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This is required since pnv_php_disable_irq() will\nnow be called by workers triggered by hot unplug interrupts, so the\nworkqueue needs to stay allocated.\n\nThe abridged kernel panic that occurs without this patch is as follows:\n\n WARNING: CPU: 0 PID: 687 at kernel/irq/msi.c:292 msi_device_data_release+0x6c/0x9c\n CPU: 0 UID: 0 PID: 687 Comm: bash Not tainted 6.14.0-rc5+ #2\n Call Trace:\n msi_device_data_release+0x34/0x9c (unreliable)\n release_nodes+0x64/0x13c\n devres_release_all+0xc0/0x140\n device_del+0x2d4/0x46c\n pci_destroy_dev+0x5c/0x194\n pci_hp_remove_devices+0x90/0x128\n pci_hp_remove_devices+0x44/0x128\n pnv_php_disable_slot+0x54/0xd4\n power_write_file+0xf8/0x18c\n pci_slot_attr_store+0x40/0x5c\n sysfs_kf_write+0x64/0x78\n kernfs_fop_write_iter+0x1b0/0x290\n vfs_write+0x3bc/0x50c\n ksys_write+0x84/0x140\n system_call_exception+0x124/0x230\n system_call_vectored_common+0x15c/0x2ec\n\n[bhelgaas: tidy comments]"}], "affected": [{"product": "Linux", "vendor": "Linux", 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This is required since pnv_php_disable_irq() will\nnow be called by workers triggered by hot unplug interrupts, so the\nworkqueue needs to stay allocated.\n\nThe abridged kernel panic that occurs without this patch is as follows:\n\n WARNING: CPU: 0 PID: 687 at kernel/irq/msi.c:292 msi_device_data_release+0x6c/0x9c\n CPU: 0 UID: 0 PID: 687 Comm: bash Not tainted 6.14.0-rc5+ #2\n Call Trace:\n msi_device_data_release+0x34/0x9c (unreliable)\n release_nodes+0x64/0x13c\n devres_release_all+0xc0/0x140\n device_del+0x2d4/0x46c\n pci_destroy_dev+0x5c/0x194\n pci_hp_remove_devices+0x90/0x128\n pci_hp_remove_devices+0x44/0x128\n pnv_php_disable_slot+0x54/0xd4\n power_write_file+0xf8/0x18c\n pci_slot_attr_store+0x40/0x5c\n sysfs_kf_write+0x64/0x78\n kernfs_fop_write_iter+0x1b0/0x290\n vfs_write+0x3bc/0x50c\n ksys_write+0x84/0x140\n system_call_exception+0x124/0x230\n system_call_vectored_common+0x15c/0x2ec\n\n[bhelgaas: tidy comments]"}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.10.241", "versionStartIncluding": "4.9"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.15.190", "versionStartIncluding": "4.9"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.1.148", "versionStartIncluding": "4.9"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.6.102", "versionStartIncluding": "4.9"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.12.42", "versionStartIncluding": "4.9"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.15.10", "versionStartIncluding": "4.9"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.16.1", "versionStartIncluding": "4.9"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.17", "versionStartIncluding": "4.9"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T21:31:49.470Z"}}}, "cveMetadata": {"cveId": "CVE-2025-38624", "state": "PUBLISHED", "dateUpdated": "2026-11-05T21:12:49.500Z", "dateReserved": "2025-04-16T04:51:24.029Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2025-08-22T16:00:32.924Z", "assignerShortName": "Linux"}, "dataVersion": "5.2"}

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"versionStartIncluding": "6.13", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "58182352-D7DF-4CC9-841E-03C1D852C3FB", "versionEndExcluding": "6.16.1", "versionStartIncluding": "6.16", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*", "matchCriteriaId": "FA6FEEC2-9F11-4643-8827-749718254FED", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nPCI: pnv_php: Clean up allocated IRQs on unplug\n\nWhen the root of a nested PCIe bridge configuration is unplugged, the\npnv_php driver leaked the allocated IRQ resources for the child bridges'\nhotplug event notifications, resulting in a panic.\n\nFix this by walking all child buses and deallocating all its IRQ resources\nbefore calling pci_hp_remove_devices().\n\nAlso modify the lifetime of the workqueue at struct pnv_php_slot::wq so\nthat it is only destroyed in pnv_php_free_slot(), instead of\npnv_php_disable_irq(). This is required since pnv_php_disable_irq() will\nnow be called by workers triggered by hot unplug interrupts, so the\nworkqueue needs to stay allocated.\n\nThe abridged kernel panic that occurs without this patch is as follows:\n\n WARNING: CPU: 0 PID: 687 at kernel/irq/msi.c:292 msi_device_data_release+0x6c/0x9c\n CPU: 0 UID: 0 PID: 687 Comm: bash Not tainted 6.14.0-rc5+ #2\n Call Trace:\n msi_device_data_release+0x34/0x9c (unreliable)\n release_nodes+0x64/0x13c\n devres_release_all+0xc0/0x140\n device_del+0x2d4/0x46c\n pci_destroy_dev+0x5c/0x194\n pci_hp_remove_devices+0x90/0x128\n pci_hp_remove_devices+0x44/0x128\n pnv_php_disable_slot+0x54/0xd4\n power_write_file+0xf8/0x18c\n pci_slot_attr_store+0x40/0x5c\n sysfs_kf_write+0x64/0x78\n kernfs_fop_write_iter+0x1b0/0x290\n vfs_write+0x3bc/0x50c\n ksys_write+0x84/0x140\n system_call_exception+0x124/0x230\n system_call_vectored_common+0x15c/0x2ec\n\n[bhelgaas: tidy comments]"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: PCI: pnv_php: Limpiar las IRQ asignadas al desconectar Cuando se desconecta la ra\u00edz de una configuraci\u00f3n de puente PCIe anidada, el controlador pnv_php filtr\u00f3 los recursos IRQ asignados para las notificaciones de eventos de conexi\u00f3n en caliente de los puentes secundarios, lo que result\u00f3 en un p\u00e1nico. Corrija esto recorriendo todos los buses secundarios y desasignando todos sus recursos IRQ antes de llamar a pci_hp_remove_devices(). Tambi\u00e9n modifique el tiempo de vida de la cola de trabajo en struct pnv_php_slot::wq para que solo se destruya en pnv_php_free_slot(), en lugar de pnv_php_disable_irq(). Esto es necesario ya que pnv_php_disable_irq() ahora ser\u00e1 llamado por trabajadores activados por interrupciones de desconexi\u00f3n en caliente, por lo que la cola de trabajo debe permanecer asignada. El p\u00e1nico del kernel abreviado que ocurre sin este parche es el siguiente: ADVERTENCIA: CPU: 0 PID: 687 en kernel/irq/msi.c:292 msi_device_data_release+0x6c/0x9c CPU: 0 UID: 0 PID: 687 Comm: bash No contaminado 6.14.0-rc5+ #2 Seguimiento de llamadas: msi_device_data_release+0x34/0x9c (no confiable) release_nodes+0x64/0x13c devres_release_all+0xc0/0x140 device_del+0x2d4/0x46c pci_destroy_dev+0x5c/0x194 pci_hp_remove_devices+0x90/0x128 pci_hp_remove_devices+0x44/0x128 pnv_php_disable_slot+0x54/0xd4 power_write_file+0xf8/0x18c pci_ranura_attr_store+0x40/0x5c sysfs_kf_write+0x64/0x78 kernfs_fop_write_iter+0x1b0/0x290 vfs_write+0x3bc/0x50c ksys_write+0x84/0x140 system_call_exception+0x124/0x230 system_call_vectored_common+0x15c/0x2ec [bhelgaas: comentarios ordenados]"}], "id": "CVE-2025-38624", "lastModified": "2026-11-05T22:17:21.253", "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"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-38624", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-11-05T21:05:21.395368Z", "version": "2.0.3"}}]}, "published": "2025-08-22T16:15:35.910", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/1773c19fa55e944cdd2634e2d9e552f87f2d38d5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/28aa3cfce12487614219e7667ec84424e1f43227"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/32173edf3fe2d447e14e5e3b299387c6f9602a88"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/398170b7fd0e0db2f8096df5206c75e5ff41415a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/4668619092554e1b95c9a5ac2941ca47ba6d548a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/8c1ad4af160691e157d688ad9619ced2df556aac"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/912e200240b6f9758f0b126e64a61c9227f4ad37"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/bbd302c4b79df10197ffa7270ca3aa572eeca33c"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"}], "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: PCI: pnv_php: Clean up allocated IRQs on unplug", "id": "2390354", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2390354"}, "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-772", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nPCI: pnv_php: Clean up allocated IRQs on unplug\nWhen the root of a nested PCIe bridge configuration is unplugged, the\npnv_php driver leaked the allocated IRQ resources for the child bridges'\nhotplug event notifications, resulting in a panic.\nFix this by walking all child buses and deallocating all its IRQ resources\nbefore calling pci_hp_remove_devices().\nAlso modify the lifetime of the workqueue at struct pnv_php_slot::wq so\nthat it is only destroyed in pnv_php_free_slot(), instead of\npnv_php_disable_irq(). This is required since pnv_php_disable_irq() will\nnow be called by workers triggered by hot unplug interrupts, so the\nworkqueue needs to stay allocated.\nThe abridged kernel panic that occurs without this patch is as follows:\nWARNING: CPU: 0 PID: 687 at kernel/irq/msi.c:292 msi_device_data_release+0x6c/0x9c\nCPU: 0 UID: 0 PID: 687 Comm: bash Not tainted 6.14.0-rc5+ #2\nCall Trace:\nmsi_device_data_release+0x34/0x9c (unreliable)\nrelease_nodes+0x64/0x13c\ndevres_release_all+0xc0/0x140\ndevice_del+0x2d4/0x46c\npci_destroy_dev+0x5c/0x194\npci_hp_remove_devices+0x90/0x128\npci_hp_remove_devices+0x44/0x128\npnv_php_disable_slot+0x54/0xd4\npower_write_file+0xf8/0x18c\npci_slot_attr_store+0x40/0x5c\nsysfs_kf_write+0x64/0x78\nkernfs_fop_write_iter+0x1b0/0x290\nvfs_write+0x3bc/0x50c\nksys_write+0x84/0x140\nsystem_call_exception+0x124/0x230\nsystem_call_vectored_common+0x15c/0x2ec\n[bhelgaas: tidy comments]"], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability."}, "name": "CVE-2025-38624", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "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": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-08-22T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-38624\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-38624\nhttps://lore.kernel.org/linux-cve-announce/2025082230-CVE-2025-38624-81fa@gregkh/T"], "threat_severity": "Low"}

{"created": "2025-08-23T10:55:33.401827+00:00", "updated": "2025-08-23T10:55:33.401880+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}