{"api_version":"1","generated_at":"2026-07-24T01:18:26+00:00","cve":"CVE-2026-63966","urls":{"html":"https://cve.report/CVE-2026-63966","api":"https://cve.report/api/cve/CVE-2026-63966.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-63966","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-63966"},"summary":{"title":"iio: imu: adis16550: fix stack leak in trigger handler","description":"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.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-07-19 16:17:15","updated_at":"2026-07-19 16:17:15"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/c2c255444392872cbbf46d640cb3a938e8000309","name":"https://git.kernel.org/stable/c/c2c255444392872cbbf46d640cb3a938e8000309","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/474f8928d50b09f7dcf507049f08732640b88b49","name":"https://git.kernel.org/stable/c/474f8928d50b09f7dcf507049f08732640b88b49","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/ce582b22dd2ff15ac99101c22ec1559d1febe2ff","name":"https://git.kernel.org/stable/c/ce582b22dd2ff15ac99101c22ec1559d1febe2ff","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-63966","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-63966","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected e4570f4bb231f01e32d44fd38841665f340d6914 ce582b22dd2ff15ac99101c22ec1559d1febe2ff git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected e4570f4bb231f01e32d44fd38841665f340d6914 c2c255444392872cbbf46d640cb3a938e8000309 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected e4570f4bb231f01e32d44fd38841665f340d6914 474f8928d50b09f7dcf507049f08732640b88b49 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.15","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.15 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.35 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0.12 7.0.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"63966","cve":"CVE-2026-63966","epss":"0.001980000","percentile":"0.097880000","score_date":"2026-07-20","updated_at":"2026-07-21 00:13:14"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/iio/imu/adis16550.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"ce582b22dd2ff15ac99101c22ec1559d1febe2ff","status":"affected","version":"e4570f4bb231f01e32d44fd38841665f340d6914","versionType":"git"},{"lessThan":"c2c255444392872cbbf46d640cb3a938e8000309","status":"affected","version":"e4570f4bb231f01e32d44fd38841665f340d6914","versionType":"git"},{"lessThan":"474f8928d50b09f7dcf507049f08732640b88b49","status":"affected","version":"e4570f4bb231f01e32d44fd38841665f340d6914","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/iio/imu/adis16550.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.15"},{"lessThan":"6.15","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.35","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.12","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.35","versionStartIncluding":"6.15","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0.12","versionStartIncluding":"6.15","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1","versionStartIncluding":"6.15","vulnerable":true}],"negate":false,"operator":"OR"}]}],"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."}],"providerMetadata":{"dateUpdated":"2026-07-19T14:55:54.391Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"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"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-63966","datePublished":"2026-07-19T14:55:54.391Z","dateReserved":"2026-07-19T07:54:57.024Z","dateUpdated":"2026-07-19T14:55:54.391Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-07-19 16:17:15","lastModifiedDate":"2026-07-19 16:17:15","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"63966","Ordinal":"1","Title":"iio: imu: adis16550: fix stack leak in trigger handler","CVE":"CVE-2026-63966","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"63966","Ordinal":"1","NoteData":"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.","Type":"Description","Title":"iio: imu: adis16550: fix stack leak in trigger handler"}]}}}