{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "ae1d37a9bb4bd8d9091a40d153143e99b115ee37"
            },
            {
              "fixed": "e9b4c00f775a915b759b08bfe2c5e806a8301a59"
            },
            {
              "fixed": "50e8d70ba0743f88afd7e49f9cebd1841ee677f5"
            },
            {
              "fixed": "f501302ebb9e1504162351b951fe3ae331c852ab"
            },
            {
              "fixed": "d94787287a113a1326211647d5e0deed1e9de105"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5.8.0"
            },
            {
              "fixed": "6.12.113"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.56"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.2.10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98664.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\niio: imu: adis16400: fix unprotected debugfs reads\n\nadis16400_serial_number_fops is open coded and never calls\ndebugfs_file_get(), so debugfs_remove_recursive() does not wait for a\nread in progress and unbind frees the iio_dev underneath it.\n\nCommit ae1d37a9bb4b (\"iio: imu: adis16400: use DEFINE_DEBUGFS_ATTRIBUTE\ninstead of DEFINE_SIMPLE_ATTRIBUTE\") converted product_id and\nflash_count to DEFINE_DEBUGFS_ATTRIBUTE, which protects itself, but\nmoved all three files to debugfs_create_file_unsafe().\n\nserial_number prints three registers as \"%.4x-%.4x-%.4x\" and\nDEFINE_DEBUGFS_ATTRIBUTE() formats a single u64, so it cannot be\nconverted without changing what the file returns. adis16475 and\nadis16550 already use debugfs_create_file() for their open coded\nfiles. Use it here too.",
  "id": "CVE-2026-98664",
  "modified": "2026-10-20T02:30:55.316699654Z",
  "published": "2026-10-18T15:44:32.940Z",
  "references": [
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/50e8d70ba0743f88afd7e49f9cebd1841ee677f5"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d94787287a113a1326211647d5e0deed1e9de105"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e9b4c00f775a915b759b08bfe2c5e806a8301a59"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f501302ebb9e1504162351b951fe3ae331c852ab"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98664.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-98664"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "iio: imu: adis16400: fix unprotected debugfs reads"
}