{
  "cveId": "CVE-2021-47622",
  "url": "https://patchblox.com/security/cve/CVE-2021-47622",
  "summary": "CVE-2021-47622 is fixed in linux on 1 platform, first by DEBIAN-CVE-2021-47622, released July 16, 2024. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  scsi: ufs: Fix a deadlock in the error handler...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  scsi: ufs: Fix a deadlock in the error handler  The following deadlock has been observed on a test setup:   - All tags allocated   - The SCSI error handler calls ufshcd_eh_host_reset_handler()   - ufshcd_eh_host_reset_handler() queues work that calls    ufshcd_err_handler()   - ufshcd_err_handler() locks up as follows:  Workqueue: ufs_eh_wq_0 ufshcd_err_handler.cfi_jt Call trace:  __switch_to\u002B0x298/0x5d8  __schedule\u002B0x6cc/0xa94  schedule\u002B0x12c/0x298  blk_mq_get_tag\u002B0x210/0x480  __blk_mq_alloc_request\u002B0x1c8/0x284  blk_get_request\u002B0x74/0x134  ufshcd_exec_dev_cmd\u002B0x68/0x640  ufshcd_verify_dev_init\u002B0x68/0x35c  ufshcd_probe_hba\u002B0x12c/0x1cb8  ufshcd_host_reset_and_restore\u002B0x88/0x254  ufshcd_reset_and_restore\u002B0xd0/0x354  ufshcd_err_handler\u002B0x408/0xc58  process_one_work\u002B0x24c/0x66c  worker_thread\u002B0x3e8/0xa4c  kthread\u002B0x150/0x1b4  ret_from_fork\u002B0x10/0x30  Fix this lockup by making ufshcd_exec_dev_cmd() allocate a reserved request.",
  "published": "2024-07-16T12:15:02Z",
  "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": 0.00171,
  "epssPercentile": 0.06479,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "5.16.11-1",
      "fix": "DEBIAN-CVE-2021-47622",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-47622",
      "released": "2024-07-16T12:15:02Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "5.16.11-1",
      "fix": "DEBIAN-CVE-2021-47622",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-47622",
      "released": "2024-07-16T12:15:02Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "5.16.11-1",
      "fix": "DEBIAN-CVE-2021-47622",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-47622",
      "released": "2024-07-16T12:15:02Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T13:06:02Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}