cve-2022-48724
Vulnerability from cvelistv5
Published
2024-06-20 11:13
Modified
2024-12-19 08:06
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Fix potential memory leak in intel_setup_irq_remapping() After commit e3beca48a45b ("irqdomain/treewide: Keep firmware node unconditionally allocated"). For tear down scenario, fn is only freed after fail to allocate ir_domain, though it also should be freed in case dmar_enable_qi returns error. Besides free fn, irq_domain and ir_msi_domain need to be removed as well if intel_setup_irq_remapping fails to enable queued invalidation. Improve the rewinding path by add out_free_ir_domain and out_free_fwnode lables per Baolu's suggestion.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/336d096b62bdc673e852b6b80d5072d7888ce85dPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/5c43d46daa0d2928234dd2792ebebc35d29ee2d1Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/99e675d473eb8cf2deac1376a0f840222fc1adcfPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9d9995b0371e4e8c18d4f955479e5d47efe7b2d4Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a0c685ba99961b1dd894b2e470e692a539770f6dPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a31cb1f0fb6caf46ffe88c41252b6b7a4ee062d9Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b62eceb5f8f08815fe3f945fc55bbf997c344ecdPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/336d096b62bdc673e852b6b80d5072d7888ce85dPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/5c43d46daa0d2928234dd2792ebebc35d29ee2d1Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/99e675d473eb8cf2deac1376a0f840222fc1adcfPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/9d9995b0371e4e8c18d4f955479e5d47efe7b2d4Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/a0c685ba99961b1dd894b2e470e692a539770f6dPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/a31cb1f0fb6caf46ffe88c41252b6b7a4ee062d9Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/b62eceb5f8f08815fe3f945fc55bbf997c344ecdPatch
Impacted products
Vendor Product Version
Linux Linux Version: 5.8
Show details on NVD website

To clipboard 

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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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