Bug 2396109 (CVE-2022-50354) - CVE-2022-50354 kernel: drm/amdkfd: Fix kfd_process_device_init_vm error handling
Summary: CVE-2022-50354 kernel: drm/amdkfd: Fix kfd_process_device_init_vm error handling
Keywords:
Status: NEW
Alias: CVE-2022-50354
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2025-09-17 15:01 UTC by OSIDB Bzimport
Modified: 2025-09-17 17:27 UTC (History)
0 users

Fixed In Version:
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Description OSIDB Bzimport 2025-09-17 15:01:46 UTC 
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
Comment 1 Keith Grant 2025-09-17 17:25:19 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025091714-CVE-2022-50354-45cc@gregkh/T
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