{"id":"CVE-2021-47410","title":"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_releas…","summary":"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_releas…","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","vendor":"linux","product":"linux_kernel","affected":["linux_kernel >= 3.19, < 5.14.11","linux_kernel = 5.15"],"patched":["linux_kernel 5.14.11"],"published":"2024-05-21","updated":"2026-08-11","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2021-47410","references":[{"url":"https://git.kernel.org/stable/c/197ae17722e989942b36e33e044787877f158574","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/ac7d732b24f4061f8a732ada49b054ab38c63e15","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/197ae17722e989942b36e33e044787877f158574","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/ac7d732b24f4061f8a732ada49b054ab38c63e15","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd"],"epss":0.00208,"epssPercentile":0.0966,"ingestedAt":"2026-08-11T16:47:03.043Z","slug":"CVE-2021-47410","body":"## Overview\n\nIn 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]\n\n## Affected\n\n- `linux_kernel >= 3.19, < 5.14.11`\n- `linux_kernel = 5.15`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 5.14.11`","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}