{
  "affected": [
    {
      "ecosystem_specific": {
        "urgency": "not yet assigned"
      },
      "package": {
        "ecosystem": "Debian:14",
        "name": "linux"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "6.19.12-1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "details": "In the Linux kernel, the following vulnerability has been resolved:  usb: gadget: u_ether: Fix NULL pointer deref in eth_get_drvinfo  Commit ec35c1969650 (\"usb: gadget: f_ncm: Fix net_device lifecycle with device_move\") reparents the gadget device to /sys/devices/virtual during unbind, clearing the gadget pointer. If the userspace tool queries on the surviving interface during this detached window, this leads to a NULL pointer dereference.  Unable to handle kernel NULL pointer dereference Call trace:  eth_get_drvinfo+0x50/0x90  ethtool_get_drvinfo+0x5c/0x1f0  __dev_ethtool+0xaec/0x1fe0  dev_ethtool+0x134/0x2e0  dev_ioctl+0x338/0x560  Add a NULL check for dev-\u003egadget in eth_get_drvinfo(). When detached, skip copying the fw_version and bus_info strings, which is natively handled by ethtool_get_drvinfo for empty strings.",
  "id": "DEBIAN-CVE-2026-31727",
  "modified": "2026-09-14T16:47:47.530544451Z",
  "published": "2026-05-01T15:16:35.210Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://security-tracker.debian.org/tracker/CVE-2026-31727"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "upstream": [
    "CVE-2026-31727"
  ]
}