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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's 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. Adem\u00e1s de free fn, irq_domain e ir_msi_domain tambi\u00e9n deben eliminarse si intel_setup_irq_remapping no logra habilitar la invalidaci\u00f3n en cola. Mejore la ruta de rebobinado agregando las etiquetas out_free_ir_domain y out_free_fwnode seg\u00fan la sugerencia de Baolu."}], "id": "CVE-2022-48724", "lastModified": "2024-11-21T07:33:52.053", "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": "2024-06-20T12:15:10.900", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/336d096b62bdc673e852b6b80d5072d7888ce85d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5c43d46daa0d2928234dd2792ebebc35d29ee2d1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/99e675d473eb8cf2deac1376a0f840222fc1adcf"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/9d9995b0371e4e8c18d4f955479e5d47efe7b2d4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a0c685ba99961b1dd894b2e470e692a539770f6d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a31cb1f0fb6caf46ffe88c41252b6b7a4ee062d9"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b62eceb5f8f08815fe3f945fc55bbf997c344ecd"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/336d096b62bdc673e852b6b80d5072d7888ce85d"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5c43d46daa0d2928234dd2792ebebc35d29ee2d1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/99e675d473eb8cf2deac1376a0f840222fc1adcf"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/9d9995b0371e4e8c18d4f955479e5d47efe7b2d4"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a0c685ba99961b1dd894b2e470e692a539770f6d"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a31cb1f0fb6caf46ffe88c41252b6b7a4ee062d9"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b62eceb5f8f08815fe3f945fc55bbf997c344ecd"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-401"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: iommu/vt-d: Fix potential memory leak in intel_setup_irq_remapping()", "id": "2293336", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2293336"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.1", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:L", "status": "draft"}, "cwe": "CWE-402", "details": ["In the Linux kernel, the following vulnerability has been resolved:\niommu/vt-d: Fix potential memory leak in intel_setup_irq_remapping()\nAfter commit e3beca48a45b (\"irqdomain/treewide: Keep firmware node\nunconditionally allocated\"). 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.\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.\nImprove the rewinding path by add out_free_ir_domain and out_free_fwnode\nlables per Baolu's suggestion."], "name": "CVE-2022-48724", "package_state": [{"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": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-06-20T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-48724\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-48724\nhttps://lore.kernel.org/linux-cve-announce/2024062057-CVE-2022-48724-6bcd@gregkh/T"], "threat_severity": "Low"}

{}