{
  "cveId": "CVE-2021-47173",
  "url": "https://patchblox.com/security/cve/CVE-2021-47173",
  "summary": "CVE-2021-47173 is fixed in linux on 1 platform, first by DEBIAN-CVE-2021-47173, 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:  misc/uss720: fix memory leak in uss720_probe  us...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  misc/uss720: fix memory leak in uss720_probe  uss720_probe forgets to decrease the refcount of usbdev in uss720_probe. Fix this by decreasing the refcount of usbdev by usb_put_dev.  BUG: memory leak unreferenced object 0xffff888101113800 (size 2048):   comm \u0022kworker/0:1\u0022, pid 7, jiffies 4294956777 (age 28.870s)   hex dump (first 32 bytes):     ff ff ff ff 31 00 00 00 00 00 00 00 00 00 00 00  ....1...........     00 00 00 00 00 00 00 00 00 00 00 00 03 00 00 00  ................   backtrace:     [\u003Cffffffff82b8e822\u003E] kmalloc include/linux/slab.h:554 [inline]     [\u003Cffffffff82b8e822\u003E] kzalloc include/linux/slab.h:684 [inline]     [\u003Cffffffff82b8e822\u003E] usb_alloc_dev\u002B0x32/0x450 drivers/usb/core/usb.c:582     [\u003Cffffffff82b98441\u003E] hub_port_connect drivers/usb/core/hub.c:5129 [inline]     [\u003Cffffffff82b98441\u003E] hub_port_connect_change drivers/usb/core/hub.c:5363 [inline]     [\u003Cffffffff82b98441\u003E] port_event drivers/usb/core/hub.c:5509 [inline]     [\u003Cffffffff82b98441\u003E] hub_event\u002B0x1171/0x20c0 drivers/usb/core/hub.c:5591     [\u003Cffffffff81259229\u003E] process_one_work\u002B0x2c9/0x600 kernel/workqueue.c:2275     [\u003Cffffffff81259b19\u003E] worker_thread\u002B0x59/0x5d0 kernel/workqueue.c:2421     [\u003Cffffffff81261228\u003E] kthread\u002B0x178/0x1b0 kernel/kthread.c:292     [\u003Cffffffff8100227f\u003E] ret_from_fork\u002B0x1f/0x30 arch/x86/entry/entry_64.S:294",
  "published": "2024-03-25T10:15:09Z",
  "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": 0.00226,
  "epssPercentile": 0.13385,
  "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-2021-47173",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-47173",
      "released": "2024-03-25T10:15:09Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "5.14.6-1",
      "fix": "DEBIAN-CVE-2021-47173",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-47173",
      "released": "2024-03-25T10:15:09Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "5.14.6-1",
      "fix": "DEBIAN-CVE-2021-47173",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-47173",
      "released": "2024-03-25T10:15:09Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T19:12:23Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}