cve-2021-47410
Vulnerability from cvelistv5
Published
2024-05-21 15:04
Modified
2024-12-19 07:41
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: fix svm_migrate_fini warning Device manager releases device-specific resources when a driver disconnects from a device, devm_memunmap_pages and devm_release_mem_region calls in svm_migrate_fini are redundant. It causes below warning trace after patch "drm/amdgpu: Split amdgpu_device_fini into early and late", so remove function svm_migrate_fini. BUG: https://gitlab.freedesktop.org/drm/amd/-/issues/1718 WARNING: CPU: 1 PID: 3646 at drivers/base/devres.c:795 devm_release_action+0x51/0x60 Call Trace: ? memunmap_pages+0x360/0x360 svm_migrate_fini+0x2d/0x60 [amdgpu] kgd2kfd_device_exit+0x23/0xa0 [amdgpu] amdgpu_amdkfd_device_fini_sw+0x1d/0x30 [amdgpu] amdgpu_device_fini_sw+0x45/0x290 [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]
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/197ae17722e989942b36e33e044787877f158574
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ac7d732b24f4061f8a732ada49b054ab38c63e15
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/197ae17722e989942b36e33e044787877f158574
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/ac7d732b24f4061f8a732ada49b054ab38c63e15
Impacted products
Vendor Product Version
Linux Linux
Show details on NVD website

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    "dateReserved": "2024-05-21T14:58:30.817Z",
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    "nvd": "{\"cve\":{\"id\":\"CVE-2021-47410\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-05-21T15:15:26.527\",\"lastModified\":\"2024-11-21T06:36:05.360\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"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]\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/197ae17722e989942b36e33e044787877f158574\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/ac7d732b24f4061f8a732ada49b054ab38c63e15\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/197ae17722e989942b36e33e044787877f158574\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/ac7d732b24f4061f8a732ada49b054ab38c63e15\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}"
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