{"id":"CVE-2026-98664","state":"PUBLISHED","title":"iio: imu: adis16400: fix unprotected debugfs reads","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.","publishedAt":"2026-10-18T15:44:32.940Z","updatedAt":"2026-10-30T12:38:33.465Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"ae1d37a9bb4bd8d9091a40d153143e99b115ee37","status":"affected","lessThan":"48bb3c9b4a2fac64cb17c357418ebfbd4c9ac8ff","versionType":"git"},{"version":"ae1d37a9bb4bd8d9091a40d153143e99b115ee37","status":"affected","lessThan":"69cc001761894c65a0eef1bb6df911b39d30d71e","versionType":"git"},{"version":"ae1d37a9bb4bd8d9091a40d153143e99b115ee37","status":"affected","lessThan":"d32eb2161b452a25b03f915f431bdcb9722cd92c","versionType":"git"},{"version":"ae1d37a9bb4bd8d9091a40d153143e99b115ee37","status":"affected","lessThan":"d3078aaef8af4648f94eeafde4b7b36efd9838d1","versionType":"git"},{"version":"ae1d37a9bb4bd8d9091a40d153143e99b115ee37","status":"affected","lessThan":"e9b4c00f775a915b759b08bfe2c5e806a8301a59","versionType":"git"},{"version":"ae1d37a9bb4bd8d9091a40d153143e99b115ee37","status":"affected","lessThan":"50e8d70ba0743f88afd7e49f9cebd1841ee677f5","versionType":"git"},{"version":"ae1d37a9bb4bd8d9091a40d153143e99b115ee37","status":"affected","lessThan":"f501302ebb9e1504162351b951fe3ae331c852ab","versionType":"git"},{"version":"ae1d37a9bb4bd8d9091a40d153143e99b115ee37","status":"affected","lessThan":"d94787287a113a1326211647d5e0deed1e9de105","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/iio/imu/adis16400.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.8","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.8","versionType":"semver"},{"version":"5.10.273","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.224","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.113","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.56","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.10","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/iio/imu/adis16400.c"]}],"references":["https://git.kernel.org/stable/c/48bb3c9b4a2fac64cb17c357418ebfbd4c9ac8ff","https://git.kernel.org/stable/c/69cc001761894c65a0eef1bb6df911b39d30d71e","https://git.kernel.org/stable/c/d32eb2161b452a25b03f915f431bdcb9722cd92c","https://git.kernel.org/stable/c/d3078aaef8af4648f94eeafde4b7b36efd9838d1","https://git.kernel.org/stable/c/e9b4c00f775a915b759b08bfe2c5e806a8301a59","https://git.kernel.org/stable/c/50e8d70ba0743f88afd7e49f9cebd1841ee677f5","https://git.kernel.org/stable/c/f501302ebb9e1504162351b951fe3ae331c852ab","https://git.kernel.org/stable/c/d94787287a113a1326211647d5e0deed1e9de105"],"weaknesses":[],"ingestedAt":"2026-10-30T12:58:04.520Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/98xxx/CVE-2026-98664.json","commit":"1f312381e38164a43607eebab851b151dd16861e","baselineCommit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-98664","state":"PUBLISHED","datePublished":"2026-10-18T15:44:32.940Z","dateUpdated":"2026-10-30T12:38:33.465Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-25T10:25:14.363Z"},"containers":{"cna":{"title":"iio: imu: adis16400: fix unprotected debugfs reads","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"ae1d37a9bb4bd8d9091a40d153143e99b115ee37","status":"affected","lessThan":"48bb3c9b4a2fac64cb17c357418ebfbd4c9ac8ff","versionType":"git"},{"version":"ae1d37a9bb4bd8d9091a40d153143e99b115ee37","status":"affected","lessThan":"69cc001761894c65a0eef1bb6df911b39d30d71e","versionType":"git"},{"version":"ae1d37a9bb4bd8d9091a40d153143e99b115ee37","status":"affected","lessThan":"d32eb2161b452a25b03f915f431bdcb9722cd92c","versionType":"git"},{"version":"ae1d37a9bb4bd8d9091a40d153143e99b115ee37","status":"affected","lessThan":"d3078aaef8af4648f94eeafde4b7b36efd9838d1","versionType":"git"},{"version":"ae1d37a9bb4bd8d9091a40d153143e99b115ee37","status":"affected","lessThan":"e9b4c00f775a915b759b08bfe2c5e806a8301a59","versionType":"git"},{"version":"ae1d37a9bb4bd8d9091a40d153143e99b115ee37","status":"affected","lessThan":"50e8d70ba0743f88afd7e49f9cebd1841ee677f5","versionType":"git"},{"version":"ae1d37a9bb4bd8d9091a40d153143e99b115ee37","status":"affected","lessThan":"f501302ebb9e1504162351b951fe3ae331c852ab","versionType":"git"},{"version":"ae1d37a9bb4bd8d9091a40d153143e99b115ee37","status":"affected","lessThan":"d94787287a113a1326211647d5e0deed1e9de105","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/iio/imu/adis16400.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.8","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.8","versionType":"semver"},{"version":"5.10.273","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.224","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.113","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.56","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.10","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/iio/imu/adis16400.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/48bb3c9b4a2fac64cb17c357418ebfbd4c9ac8ff"},{"url":"https://git.kernel.org/stable/c/69cc001761894c65a0eef1bb6df911b39d30d71e"},{"url":"https://git.kernel.org/stable/c/d32eb2161b452a25b03f915f431bdcb9722cd92c"},{"url":"https://git.kernel.org/stable/c/d3078aaef8af4648f94eeafde4b7b36efd9838d1"},{"url":"https://git.kernel.org/stable/c/e9b4c00f775a915b759b08bfe2c5e806a8301a59"},{"url":"https://git.kernel.org/stable/c/50e8d70ba0743f88afd7e49f9cebd1841ee677f5"},{"url":"https://git.kernel.org/stable/c/f501302ebb9e1504162351b951fe3ae331c852ab"},{"url":"https://git.kernel.org/stable/c/d94787287a113a1326211647d5e0deed1e9de105"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-30T12:38:33.465Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.8","versionEndExcluding":"5.10.273"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.8","versionEndExcluding":"5.15.224"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.8","versionEndExcluding":"6.1.191"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.8","versionEndExcluding":"6.6.160"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.8","versionEndExcluding":"6.12.113"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.8","versionEndExcluding":"6.18.56"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.8","versionEndExcluding":"7.2.10"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.8","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}