CVE-2021-47410

{"id": "CVE-2021-47410", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "[email protected]", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2024-05-21T15:15:26.527", "references": [{"url": "https://git.kernel.org/stable/c/197ae17722e989942b36e33e044787877f158574", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/ac7d732b24f4061f8a732ada49b054ab38c63e15", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/197ae17722e989942b36e33e044787877f158574", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://git.kernel.org/stable/c/ac7d732b24f4061f8a732ada49b054ab38c63e15", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "[email protected]", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdkfd: fix svm_migrate_fini warning\n\nDevice manager releases device-specific resources when a driver\ndisconnects from a device, devm_memunmap_pages and\ndevm_release_mem_region calls in svm_migrate_fini are redundant.\n\nIt causes below warning trace after patch \"drm/amdgpu: Split\namdgpu_device_fini into early and late\", so remove function\nsvm_migrate_fini.\n\nBUG: https://gitlab.freedesktop.org/drm/amd/-/issues/1718\n\nWARNING: CPU: 1 PID: 3646 at drivers/base/devres.c:795\ndevm_release_action+0x51/0x60\nCall Trace:\n ? memunmap_pages+0x360/0x360\n svm_migrate_fini+0x2d/0x60 [amdgpu]\n kgd2kfd_device_exit+0x23/0xa0 [amdgpu]\n amdgpu_amdkfd_device_fini_sw+0x1d/0x30 [amdgpu]\n amdgpu_device_fini_sw+0x45/0x290 [amdgpu]\n amdgpu_driver_release_kms+0x12/0x30 [amdgpu]\n drm_dev_release+0x20/0x40 [drm]\n release_nodes+0x196/0x1e0\n device_release_driver_internal+0x104/0x1d0\n driver_detach+0x47/0x90\n bus_remove_driver+0x7a/0xd0\n pci_unregister_driver+0x3d/0x90\n amdgpu_exit+0x11/0x20 [amdgpu]"}, {"lang": "es", "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: drm/amdkfd: corrige la advertencia de svm_migrate_fini. El administrador de dispositivos libera recursos espec\u00edficos del dispositivo cuando un controlador se desconecta de un dispositivo, las llamadas a devm_memunmap_pages y devm_release_mem_region en svm_migrate_fini son redundantes. Provoca el siguiente seguimiento de advertencia despu\u00e9s del parche \"drm/amdgpu: dividir amdgpu_device_fini en temprano y tarde\", por lo tanto, elimine la funci\u00f3n svm_migrate_fini. ERROR: https://gitlab.freedesktop.org/drm/amd/-/issues/1718 ADVERTENCIA: CPU: 1 PID: 3646 en drivers/base/devres.c:795 devm_release_action+0x51/0x60 Seguimiento de llamadas:? memunmap_pages+0x360/0x360 svm_migrate_fini+0x2d/0x60 [amdgpu] kgd2kfd_device_exit+0x23/0xa0 [amdgpu] amdgpu_amdkfd_device_fini_sw+0x1d/0x30 [amdgpu_device_fini_sw+0x45/0 x290 [amdgpu] amdgpu_driver_release_kms+0x12/0x30 [amdgpu] drm_dev_release+0x20/0x40 [drm] release_nodes+0x196/0x1e0 device_release_driver_internal+0x104/0x1d0 driver_detach+0x47/0x90 bus_remove_driver+0x7a/0xd0 pci_unregister_driver+0x3d/0x90 amdgpu_exit+0x11/0x20 [amdgpu]"}], "lastModified": "2025-09-25T15:30:01.593", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8E0DFC85-98DB-49FC-9DE8-EEB84F72AE4E", "versionEndExcluding": "5.14.11", "versionStartIncluding": "3.19"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.15:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E46C74C6-B76B-4C94-A6A4-FD2FFF62D644"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.15:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "60134C3A-06E4-48C1-B04F-2903732A4E56"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}