CVE-2023-53248 (GCVE-0-2023-53248)
Vulnerability from cvelistv5
Published
2025-09-15 14:46
Modified
2025-09-16 08:02
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: install stub fence into potential unused fence pointers When using cpu to update page tables, vm update fences are unused. Install stub fence into these fence pointers instead of NULL to avoid NULL dereference when calling dma_fence_wait() on them.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/187916e6ed9d0c3b3abc27429f7a5f8c936bd1f0
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/78b25110eb8c6990f7f5096bc0136c12a2b4cc99
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/aa9e9ba5748c524eb0925a2ef6984b78793646d6
Impacted products
Vendor Product Version
Linux Linux Version: d38ceaf99ed015f2a0b9af3499791bd3a3daae21
Version: d38ceaf99ed015f2a0b9af3499791bd3a3daae21
Version: d38ceaf99ed015f2a0b9af3499791bd3a3daae21
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   Linux Linux Version: 4.2
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{
  "containers": {
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      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c"
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              "operator": "OR"
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      "descriptions": [
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu: install stub fence into potential unused fence pointers\n\nWhen using cpu to update page tables, vm update fences are unused.\nInstall stub fence into these fence pointers instead of NULL\nto avoid NULL dereference when calling dma_fence_wait() on them."
        }
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      "providerMetadata": {
        "dateUpdated": "2025-09-16T08:02:26.382Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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    "cveId": "CVE-2023-53248",
    "datePublished": "2025-09-15T14:46:18.349Z",
    "dateReserved": "2025-09-15T14:19:21.849Z",
    "dateUpdated": "2025-09-16T08:02:26.382Z",
    "state": "PUBLISHED"
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  }
}


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