{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-98664", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-25T10:25:14.363Z", "datePublished": "2026-10-18T15:44:32.940Z", "dateUpdated": "2026-10-21T12:55:29.309Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-21T12:55:29.309Z"}, "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": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/iio/imu/adis16400.c"], "versions": [{"version": "ae1d37a9bb4bd8d9091a40d153143e99b115ee37", "lessThan": "d3078aaef8af4648f94eeafde4b7b36efd9838d1", "status": "affected", "versionType": "git"}, {"version": "ae1d37a9bb4bd8d9091a40d153143e99b115ee37", "lessThan": "e9b4c00f775a915b759b08bfe2c5e806a8301a59", "status": "affected", "versionType": "git"}, {"version": "ae1d37a9bb4bd8d9091a40d153143e99b115ee37", "lessThan": "50e8d70ba0743f88afd7e49f9cebd1841ee677f5", "status": "affected", "versionType": "git"}, {"version": "ae1d37a9bb4bd8d9091a40d153143e99b115ee37", "lessThan": "f501302ebb9e1504162351b951fe3ae331c852ab", "status": "affected", "versionType": "git"}, {"version": "ae1d37a9bb4bd8d9091a40d153143e99b115ee37", "lessThan": "d94787287a113a1326211647d5e0deed1e9de105", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/iio/imu/adis16400.c"], "versions": [{"version": "5.8", "status": "affected"}, {"version": "0", "lessThan": "5.8", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.160", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.113", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.56", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.10", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"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"}]}]}], "references": [{"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"}], "title": "iio: imu: adis16400: fix unprotected debugfs reads", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/iio/imu/adis16400.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "d3078aaef8af4648f94eeafde4b7b36efd9838d1", "status": "affected", "version": "ae1d37a9bb4bd8d9091a40d153143e99b115ee37", "versionType": "git"}, {"lessThan": "e9b4c00f775a915b759b08bfe2c5e806a8301a59", "status": "affected", "version": "ae1d37a9bb4bd8d9091a40d153143e99b115ee37", "versionType": "git"}, {"lessThan": "50e8d70ba0743f88afd7e49f9cebd1841ee677f5", "status": "affected", "version": "ae1d37a9bb4bd8d9091a40d153143e99b115ee37", "versionType": "git"}, {"lessThan": "f501302ebb9e1504162351b951fe3ae331c852ab", "status": "affected", "version": "ae1d37a9bb4bd8d9091a40d153143e99b115ee37", "versionType": "git"}, {"lessThan": "d94787287a113a1326211647d5e0deed1e9de105", "status": "affected", "version": "ae1d37a9bb4bd8d9091a40d153143e99b115ee37", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/iio/imu/adis16400.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.8"}, {"lessThan": "5.8", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.160", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.113", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.56", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.10", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "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."}], "id": "CVE-2026-98664", "lastModified": "2026-10-21T13:21:35.677", "metrics": {}, "published": "2026-10-18T16:17:19.697", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/50e8d70ba0743f88afd7e49f9cebd1841ee677f5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d3078aaef8af4648f94eeafde4b7b36efd9838d1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d94787287a113a1326211647d5e0deed1e9de105"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e9b4c00f775a915b759b08bfe2c5e806a8301a59"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f501302ebb9e1504162351b951fe3ae331c852ab"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: iio: imu: adis16400: fix unprotected debugfs reads", "id": "2555052", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2555052"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.1", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-825", "details": ["In the Linux kernel, the following vulnerability has been resolved:\niio: imu: adis16400: fix unprotected debugfs reads\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.\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().\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.", "A flaw was found in the Linux kernel's ADIS16400 driver. A local user with access to the debug file system (debugfs) could cause a Denial of Service (DoS) or kernel memory corruption due to a use-after-free condition. This issue occurs because the driver creates its serial number debugfs file without proper reference protection, allowing the underlying device structure to be freed during device unbinding while a read operation is actively in progress."], "name": "CVE-2026-98664", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift/ose-rhel-coreos-8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift/ose-rhel-coreos-9", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2026-10-18T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-98664\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-98664\nhttps://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-98664.mbox"], "threat_severity": "Moderate"}