{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-63966", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-07-19T07:54:57.024Z", "datePublished": "2026-07-19T14:55:54.391Z", "dateUpdated": "2026-07-19T14:55:54.391Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-07-19T14:55:54.391Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\niio: imu: adis16550: fix stack leak in trigger handler\n\nadis16550_trigger_handler() declares the scan data array on the stack\nwithout initializing it. The memcpy() at the bottom fills only the\nfirst 28 bytes (TEMP + 6 channels of GYRO/ACCEL data), and\niio_push_to_buffers_with_timestamp() writes the s64 timestamp at the\n8-byte-aligned offset 32. Bytes 28-31 remain uninitialized stack data\nwhich leaks to userspace on ever trigger.\n\nFix this all by just zero-initializing the structure on the stack."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/iio/imu/adis16550.c"], "versions": [{"version": "e4570f4bb231f01e32d44fd38841665f340d6914", "lessThan": "ce582b22dd2ff15ac99101c22ec1559d1febe2ff", "status": "affected", "versionType": "git"}, {"version": "e4570f4bb231f01e32d44fd38841665f340d6914", "lessThan": "c2c255444392872cbbf46d640cb3a938e8000309", "status": "affected", "versionType": "git"}, {"version": "e4570f4bb231f01e32d44fd38841665f340d6914", "lessThan": "474f8928d50b09f7dcf507049f08732640b88b49", "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/adis16550.c"], "versions": [{"version": "6.15", "status": "affected"}, {"version": "0", "lessThan": "6.15", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.35", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0.12", "lessThanOrEqual": "7.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1", "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": "6.15", "versionEndExcluding": "6.18.35"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.15", "versionEndExcluding": "7.0.12"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.15", "versionEndExcluding": "7.1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/ce582b22dd2ff15ac99101c22ec1559d1febe2ff"}, {"url": "https://git.kernel.org/stable/c/c2c255444392872cbbf46d640cb3a938e8000309"}, {"url": "https://git.kernel.org/stable/c/474f8928d50b09f7dcf507049f08732640b88b49"}], "title": "iio: imu: adis16550: fix stack leak in trigger handler", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"bugzilla": {"description": "kernel: iio: imu: adis16550: fix stack leak in trigger handler", "id": "2502459", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2502459"}, "csaw": false, "cwe": "CWE-908", "details": ["In the Linux kernel, the following vulnerability has been resolved:\niio: imu: adis16550: fix stack leak in trigger handler\nadis16550_trigger_handler() declares the scan data array on the stack\nwithout initializing it. The memcpy() at the bottom fills only the\nfirst 28 bytes (TEMP + 6 channels of GYRO/ACCEL data), and\niio_push_to_buffers_with_timestamp() writes the s64 timestamp at the\n8-byte-aligned offset 32. Bytes 28-31 remain uninitialized stack data\nwhich leaks to userspace on ever trigger.\nFix this all by just zero-initializing the structure on the stack.", "A flaw was found in the Linux kernel's adis16550 Industrial Input/Output (IIO) Inertial Measurement Unit (IMU) driver. The adis16550_trigger_handler() function fails to fully initialize a stack-allocated data array. This oversight allows uninitialized stack memory to be exposed to userspace, leading to information disclosure with every trigger of the driver."], "name": "CVE-2026-63966", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "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"}], "public_date": "2026-07-19T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-63966\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-63966\nhttps://lore.kernel.org/linux-cve-announce/2026071958-CVE-2026-63966-4f6a@gregkh/T"]}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[e4570f4bb231f01e32d44fd38841665f340d6914,ce582b22dd2ff15ac99101c22ec1559d1febe2ff)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[e4570f4bb231f01e32d44fd38841665f340d6914,c2c255444392872cbbf46d640cb3a938e8000309)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[e4570f4bb231f01e32d44fd38841665f340d6914,474f8928d50b09f7dcf507049f08732640b88b49)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "6.15"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.15)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.35,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.0.12,7.1.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.1,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-07-21T16:00:08.545845+00:00", "updated": "2026-07-22T18:30:03.530321+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-457", "CWE-200"]}