cve-2024-41008
Vulnerability from cvelistv5
Published
2024-07-16 08:03
Modified
2024-09-11 17:34
Severity ?
Summary
drm/amdgpu: change vm->task_info handling
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b8f67b9ddf4f8fe6dd536590712b5912ad78f99c
Impacted products
LinuxLinux
LinuxLinux
Show details on NVD website

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                "id": "CVE-2024-41008",
                "options": [
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    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c",
            "drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c",
            "drivers/gpu/drm/amd/amdgpu/amdgpu_job.c",
            "drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c",
            "drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c",
            "drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h",
            "drivers/gpu/drm/amd/amdgpu/amdgpu_vm_pt.c",
            "drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c",
            "drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c",
            "drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c",
            "drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c",
            "drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c",
            "drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c",
            "drivers/gpu/drm/amd/amdkfd/kfd_smi_events.c"
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            "drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c",
            "drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c",
            "drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h",
            "drivers/gpu/drm/amd/amdgpu/amdgpu_vm_pt.c",
            "drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c",
            "drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c",
            "drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c",
            "drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c",
            "drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c",
            "drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c",
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu: change vm-\u003etask_info handling\n\nThis patch changes the handling and lifecycle of vm-\u003etask_info object.\nThe major changes are:\n- vm-\u003etask_info is a dynamically allocated ptr now, and its uasge is\n  reference counted.\n- introducing two new helper funcs for task_info lifecycle management\n    - amdgpu_vm_get_task_info: reference counts up task_info before\n      returning this info\n    - amdgpu_vm_put_task_info: reference counts down task_info\n- last put to task_info() frees task_info from the vm.\n\nThis patch also does logistical changes required for existing usage\nof vm-\u003etask_info.\n\nV2: Do not block all the prints when task_info not found (Felix)\n\nV3: Fixed review comments from Felix\n   - Fix wrong indentation\n   - No debug message for -ENOMEM\n   - Add NULL check for task_info\n   - Do not duplicate the debug messages (ti vs no ti)\n   - Get first reference of task_info in vm_init(), put last\n     in vm_fini()\n\nV4: Fixed review comments from Felix\n   - fix double reference increment in create_task_info\n   - change amdgpu_vm_get_task_info_pasid\n   - additional changes in amdgpu_gem.c while porting"
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    "cveId": "CVE-2024-41008",
    "datePublished": "2024-07-16T08:03:47.091Z",
    "dateReserved": "2024-07-12T12:17:45.610Z",
    "dateUpdated": "2024-09-11T17:34:18.174Z",
    "state": "PUBLISHED"
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