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CVE PROGRAM SOURCE RECORD7.8 High

CVE-2022-50354

drm/amdkfd: Fix kfd_process_device_init_vm error handling

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Status
Published
Published
Updated
Assigning organization
Linux

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Fix kfd_process_device_init_vm error handling Should only destroy the ib_mem and let process cleanup worker to free the outstanding BOs. Reset the pointer in pdd->qpd structure, to avoid NULL pointer access in process destroy worker. BUG: kernel NULL pointer dereference, address: 0000000000000010 Call Trace: amdgpu_amdkfd_gpuvm_unmap_gtt_bo_from_kernel+0x46/0xb0 [amdgpu] kfd_process_device_destroy_cwsr_dgpu+0x40/0x70 [amdgpu] kfd_process_destroy_pdds+0x71/0x190 [amdgpu] kfd_process_wq_release+0x2a2/0x3b0 [amdgpu] process_one_work+0x2a1/0x600 worker_thread+0x39/0x3d0

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • 68df0f195a689bbb0f92bfeadee6edd90c79c31f to < b6e78bd3bf2eb964c95eb2596d3cd367307a20b5affected
  • 68df0f195a689bbb0f92bfeadee6edd90c79c31f to < 9d74d1f52e16d8e07f7fbe52e96d6391418a2fe9affected
  • 68df0f195a689bbb0f92bfeadee6edd90c79c31f to < 29d48b87db64b6697ddad007548e51d032081c59affected

Linux Linux

Default version status: affected

  • 5.16affected
  • 0 to < 5.16unaffected
  • 6.0.19 to ≤ 6.0.*unaffected
  • 6.1.5 to ≤ 6.1.*unaffected
  • 6.2 to ≤ *unaffected

References