ghsa-5q8v-g9hq-mvpx
Vulnerability from github
Published
2025-09-17 15:30
Modified
2025-09-17 15:30
Details

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

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{
  "affected": [],
  "aliases": [
    "CVE-2022-50354"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-09-17T15:15:34Z",
    "severity": null
  },
  "details": "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-\u003eqpd 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",
  "id": "GHSA-5q8v-g9hq-mvpx",
  "modified": "2025-09-17T15:30:37Z",
  "published": "2025-09-17T15:30:37Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-50354"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/29d48b87db64b6697ddad007548e51d032081c59"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9d74d1f52e16d8e07f7fbe52e96d6391418a2fe9"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b6e78bd3bf2eb964c95eb2596d3cd367307a20b5"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}


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