cve-2022-48724
Vulnerability from cvelistv5
Published
2024-06-20 11:13
Modified
2024-09-11 17:34
Severity ?
Summary
iommu/vt-d: Fix potential memory leak in intel_setup_irq_remapping()
Impacted products
LinuxLinux
LinuxLinux
Show details on NVD website


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For tear down scenario, fn is only freed\\nafter fail to allocate ir_domain, though it also should be freed in case\\ndmar_enable_qi returns error.\\n\\nBesides free fn, irq_domain and ir_msi_domain need to be removed as well\\nif intel_setup_irq_remapping fails to enable queued invalidation.\\n\\nImprove the rewinding path by add out_free_ir_domain and out_free_fwnode\\nlables per Baolu\u0027s suggestion.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: iommu/vt-d: soluciona una posible p\u00e9rdida de memoria en intel_setup_irq_remapping() despu\u00e9s del commit e3beca48a45b (\\\"irqdomain/treewide: mantiene el nodo de firmware asignado incondicionalmente\\\"). Para el escenario de desmontaje, fn solo se libera despu\u00e9s de que no se puede asignar ir_domain, aunque tambi\u00e9n debe liberarse en caso de que dmar_enable_qi devuelva un error. 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