{ "id": "CVE-2024-56561", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "published": "2024-12-27T15:15:14.983", "lastModified": "2025-02-11T16:15:43.610", "vulnStatus": "Modified", "cveTags": [], "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nPCI: endpoint: Fix PCI domain ID release in pci_epc_destroy()\n\npci_epc_destroy() invokes pci_bus_release_domain_nr() to release the PCI\ndomain ID, but there are two issues:\n\n - 'epc->dev' is passed to pci_bus_release_domain_nr() which was already\n freed by device_unregister(), leading to a use-after-free issue.\n\n - Domain ID corresponds to the EPC device parent, so passing 'epc->dev'\n is also wrong.\n\nFix these issues by passing 'epc->dev.parent' to\npci_bus_release_domain_nr() and also do it before device_unregister().\n\n[mani: reworded subject and description]" }, { "lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: PCI: endpoint: Fix PCI domain ID release in pci_epc_destroy() pci_epc_destroy() invoca pci_bus_release_domain_nr() para liberar el ID de dominio PCI, pero hay dos problemas: - 'epc->dev' se pasa a pci_bus_release_domain_nr() que ya fue liberado por device_unregister(), lo que genera un problema de use-after-free. - El ID de dominio corresponde al dispositivo EPC principal, por lo que pasar 'epc->dev' tambi\u00e9n es incorrecto. Solucione estos problemas pasando 'epc->dev.parent' a pci_bus_release_domain_nr() y tambi\u00e9n h\u00e1galo antes de device_unregister(). [mani: asunto y descripci\u00f3n reformulados]" } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH" }, "exploitabilityScore": 1.8, "impactScore": 5.9 }, { "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH" }, "exploitabilityScore": 1.8, "impactScore": 5.9 } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-416" } ] }, { "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [ { "lang": "en", "value": "CWE-416" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.11.4", "versionEndExcluding": "6.12.4", "matchCriteriaId": "9962D59B-085C-45DB-916C-2CCC852DD92D" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/4acc902ed3743edd4ac2d3846604a99d17104359", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/c74a1df6c2a2df7dd45c3fc1a5edc29a075dcf22", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] } ] }