drm/amdkfd: Fix double release compute pasid

{
  "id": "edc3ee01b1cd84c6d43fed583478fc7d70d13a0fb53462d6612d8a75314ee05d",
  "url": "https://osv.dev/vulnerability/CVE-2022-50303",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "drm/amdkfd: Fix double release compute pasid",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Fix double release compute pasid If kfd_process_device_init_vm returns failure after vm is converted to compute vm and vm->pasid set to compute pasid, KFD will not take pdd->drm_file reference. As a result, drm close file handler maybe called to release the compute pasid before KFD process destroy worker to release the same pasid and set vm->pasid to zero, this generates below WARNING backtrace and NULL pointer access. Add helper amdgpu_amdkfd_gpuvm_set_vm_pasid and call it at the last step of kfd_process_device_init_vm, to ensure vm pasid is the original pasid if acquiring vm failed or is the compute pasid with pdd->drm_file reference taken to avoid double release same pasid. amdgpu: Failed to create process VM object ida_free called for id=32770 which is not allocated. WARNING: CPU: 57 PID: 72542 at ../lib/idr.c:522 ida_free+0x96/0x140 RIP: 0010:ida_free+0x96/0x140 Call Trace: amdgpu_pasid_free_delayed+0xe1/0x2a0 [amdgpu] amdgpu_driver_postclose_kms+0x2d8/0x340 [amdgpu] drm_file_free.part.13+0x216/0x270 [drm] drm_close_helper.isra.14+0x60/0x70 [drm] drm_release+0x6e/0xf0 [drm] __fput+0xcc/0x280 ____fput+0xe/0x20 task_work_run+0x96/0xc0 do_exit+0x3d0/0xc10 BUG: kernel NULL pointer dereference, address: 0000000000000000 RIP: 0010:ida_free+0x76/0x140 Call Trace: amdgpu_pasid_free_delayed+0xe1/0x2a0 [amdgpu] amdgpu_driver_postclose_kms+0x2d8/0x340 [amdgpu] drm_file_free.part.13+0x216/0x270 [drm] drm",
    "evidence": "osv:CVE-2022-50303",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "6.0.19",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.1.5",
            "evidence": "/affected/1/ranges"
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        "affected_versions": []
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    "severity": "high",
    "structured": {
      "id": "CVE-2022-50303",
      "aliases": [
        "CVE-2022-50303"
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      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
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              "type": "GIT",
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                {
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                {
                  "fixed": "a02c07b619899179384fde06f951530438a3512d"
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        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "4.20.0"
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                {
                  "fixed": "6.0.19"
                }
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            {
              "type": "ECOSYSTEM",
              "events": [
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                  "introduced": "6.1.0"
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                  "fixed": "6.1.5"
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          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
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          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-50303.json"
          }
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      ],
      "modified": "2026-10-28T02:30:41.974831891Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/1a799c4c190ea9f0e81028e3eb3037ed0ab17ff5",
        "https://git.kernel.org/stable/c/89f0d766c9e3fdeafbed6f855d433c2768cde862",
        "https://git.kernel.org/stable/c/a02c07b619899179384fde06f951530438a3512d",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50303.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2022-50303",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
      ],
      "provider_metadata": {
        "cna_assigner": "Linux",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50303.json"
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    "related_cves": [
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        "value": "CVE-2022-50303",
        "evidence": "/id"
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    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
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  "source_id": "core-osv",
  "document_id": 509288,
  "published_at": "2025-09-15T14:45:58.735+00:00"
}