{
  "cveId": "CVE-2021-47142",
  "url": "https://patchblox.com/security/cve/CVE-2021-47142",
  "summary": "CVE-2021-47142 is fixed in linux on 1 platform, first by DEBIAN-CVE-2021-47142, released March 25, 2024. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  drm/amdgpu: Fix a use-after-free  looks like we...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  drm/amdgpu: Fix a use-after-free  looks like we forget to set ttm-\u003Esg to NULL. Hit panic below  [ 1235.844104] general protection fault, probably for non-canonical address 0x6b6b6b6b6b6b7b4b: 0000 [#1] SMP DEBUG_PAGEALLOC NOPTI [ 1235.989074] Call Trace: [ 1235.991751]  sg_free_table\u002B0x17/0x20 [ 1235.995667]  amdgpu_ttm_backend_unbind.cold\u002B0x4d/0xf7 [amdgpu] [ 1236.002288]  amdgpu_ttm_backend_destroy\u002B0x29/0x130 [amdgpu] [ 1236.008464]  ttm_tt_destroy\u002B0x1e/0x30 [ttm] [ 1236.013066]  ttm_bo_cleanup_memtype_use\u002B0x51/0xa0 [ttm] [ 1236.018783]  ttm_bo_release\u002B0x262/0xa50 [ttm] [ 1236.023547]  ttm_bo_put\u002B0x82/0xd0 [ttm] [ 1236.027766]  amdgpu_bo_unref\u002B0x26/0x50 [amdgpu] [ 1236.032809]  amdgpu_amdkfd_gpuvm_alloc_memory_of_gpu\u002B0x7aa/0xd90 [amdgpu] [ 1236.040400]  kfd_ioctl_alloc_memory_of_gpu\u002B0xe2/0x330 [amdgpu] [ 1236.046912]  kfd_ioctl\u002B0x463/0x690 [amdgpu]",
  "published": "2024-03-25T09:15:08Z",
  "severity": "medium",
  "cvss": 5.5,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
  "epss": 0.00243,
  "epssPercentile": 0.15568,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "5.14.6-1",
      "fix": "DEBIAN-CVE-2021-47142",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-47142",
      "released": "2024-03-25T09:15:08Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "5.14.6-1",
      "fix": "DEBIAN-CVE-2021-47142",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-47142",
      "released": "2024-03-25T09:15:08Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "5.14.6-1",
      "fix": "DEBIAN-CVE-2021-47142",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-47142",
      "released": "2024-03-25T09:15:08Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T06:59:42Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}