{"cve":"CVE-2026-98664","nvd":{"published":"2026-10-18T16:17:19.697","modified":"2026-10-21T13:21:35.677","status":"Received","description":"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.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["https://git.kernel.org/stable/c/50e8d70ba0743f88afd7e49f9cebd1841ee677f5","https://git.kernel.org/stable/c/d3078aaef8af4648f94eeafde4b7b36efd9838d1","https://git.kernel.org/stable/c/d94787287a113a1326211647d5e0deed1e9de105","https://git.kernel.org/stable/c/e9b4c00f775a915b759b08bfe2c5e806a8301a59","https://git.kernel.org/stable/c/f501302ebb9e1504162351b951fe3ae331c852ab"],"products":[],"source":"nvd","synced_at":"2026-10-22T16:41:11.231219466+00:00"},"epss":{"cve":"CVE-2026-98664","score":0.002,"percentile":0.0972,"date":"2026-10-25"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}