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CVE-2022-50354

Estado: ModificadaMedia (5.5)—

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.

Detalles técnicos trazas, registros y código del informe original
 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

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Linux — Linux Kernel

CWE

Referencias

JSON original (NVD)

Mostrar
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  "id": "CVE-2022-50354",
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          "version": "2.0.3",
          "timestamp": "2026-01-14T18:31:35.341027Z"
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      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdkfd: Fix kfd_process_device_init_vm error handling\n\nShould only destroy the ib_mem and let process cleanup worker to free\nthe outstanding BOs. Reset the pointer in pdd->qpd structure, to avoid\nNULL pointer access in process destroy worker.\n\n BUG: kernel NULL pointer dereference, address: 0000000000000010\n Call Trace:\n  amdgpu_amdkfd_gpuvm_unmap_gtt_bo_from_kernel+0x46/0xb0 [amdgpu]\n  kfd_process_device_destroy_cwsr_dgpu+0x40/0x70 [amdgpu]\n  kfd_process_destroy_pdds+0x71/0x190 [amdgpu]\n  kfd_process_wq_release+0x2a2/0x3b0 [amdgpu]\n  process_one_work+0x2a1/0x600\n  worker_thread+0x39/0x3d0"
    }
  ],
  "lastModified": "2026-08-04T10:18:12.347",
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