{"api_version":"1","generated_at":"2026-09-12T15:16:43+00:00","cve":"CVE-2026-81017","urls":{"html":"https://cve.report/CVE-2026-81017","api":"https://cve.report/api/cve/CVE-2026-81017.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-81017","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-81017"},"summary":{"title":"platform/chrome: sensorhub: Bound the EC-reported sensor number","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nplatform/chrome: sensorhub: Bound the EC-reported sensor number\n\nEach EC FIFO event carries an 8-bit sensor number (in->sensor_num).\ncros_ec_sensorhub_ring_handler() validates the FIFO event count, the\nper-read count and the ring bound, but not the sensor number, which\ncros_ec_sensor_ring_process_event() then uses unchecked to index\nsensorhub->batch_state[] - allocated with only sensorhub->sensor_num\nentries. A sensor number of sensor_num or larger is an out-of-bounds\nread and write of batch_state[].\n\nValidate the sensor number in the ring handler, where each event is read\nfrom the EC, and drop a malformed event before it is used.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-09-11 20:19:10","updated_at":"2026-09-11 20:19:10"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/3d2636dce0a8fe9eecad29010699847be425dc80","name":"https://git.kernel.org/stable/c/3d2636dce0a8fe9eecad29010699847be425dc80","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/833740a2333c2e4db4e02e3d0ffba04e8718a5f3","name":"https://git.kernel.org/stable/c/833740a2333c2e4db4e02e3d0ffba04e8718a5f3","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/5eaf7faa99578ae090030d1e2e6ea3b37a615496","name":"https://git.kernel.org/stable/c/5eaf7faa99578ae090030d1e2e6ea3b37a615496","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/4d9bf63ed74f859c6698bc01d8fb216ef9253867","name":"https://git.kernel.org/stable/c/4d9bf63ed74f859c6698bc01d8fb216ef9253867","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-81017","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-81017","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 145d59baff5944b71551ac518d7fd7d377a9c820 3d2636dce0a8fe9eecad29010699847be425dc80 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 145d59baff5944b71551ac518d7fd7d377a9c820 5eaf7faa99578ae090030d1e2e6ea3b37a615496 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 145d59baff5944b71551ac518d7fd7d377a9c820 4d9bf63ed74f859c6698bc01d8fb216ef9253867 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 145d59baff5944b71551ac518d7fd7d377a9c820 833740a2333c2e4db4e02e3d0ffba04e8718a5f3 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5.7","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.7 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.109 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.50 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2.4 7.2.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.3-rc1 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/platform/chrome/cros_ec_sensorhub_ring.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"3d2636dce0a8fe9eecad29010699847be425dc80","status":"affected","version":"145d59baff5944b71551ac518d7fd7d377a9c820","versionType":"git"},{"lessThan":"5eaf7faa99578ae090030d1e2e6ea3b37a615496","status":"affected","version":"145d59baff5944b71551ac518d7fd7d377a9c820","versionType":"git"},{"lessThan":"4d9bf63ed74f859c6698bc01d8fb216ef9253867","status":"affected","version":"145d59baff5944b71551ac518d7fd7d377a9c820","versionType":"git"},{"lessThan":"833740a2333c2e4db4e02e3d0ffba04e8718a5f3","status":"affected","version":"145d59baff5944b71551ac518d7fd7d377a9c820","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/platform/chrome/cros_ec_sensorhub_ring.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.7"},{"lessThan":"5.7","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.109","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.50","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.4","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.3-rc1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.109","versionStartIncluding":"5.7","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.50","versionStartIncluding":"5.7","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.4","versionStartIncluding":"5.7","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3-rc1","versionStartIncluding":"5.7","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nplatform/chrome: sensorhub: Bound the EC-reported sensor number\n\nEach EC FIFO event carries an 8-bit sensor number (in->sensor_num).\ncros_ec_sensorhub_ring_handler() validates the FIFO event count, the\nper-read count and the ring bound, but not the sensor number, which\ncros_ec_sensor_ring_process_event() then uses unchecked to index\nsensorhub->batch_state[] - allocated with only sensorhub->sensor_num\nentries. A sensor number of sensor_num or larger is an out-of-bounds\nread and write of batch_state[].\n\nValidate the sensor number in the ring handler, where each event is read\nfrom the EC, and drop a malformed event before it is used."}],"providerMetadata":{"dateUpdated":"2026-09-11T19:43:05.409Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/3d2636dce0a8fe9eecad29010699847be425dc80"},{"url":"https://git.kernel.org/stable/c/5eaf7faa99578ae090030d1e2e6ea3b37a615496"},{"url":"https://git.kernel.org/stable/c/4d9bf63ed74f859c6698bc01d8fb216ef9253867"},{"url":"https://git.kernel.org/stable/c/833740a2333c2e4db4e02e3d0ffba04e8718a5f3"}],"title":"platform/chrome: sensorhub: Bound the EC-reported sensor number","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-81017","datePublished":"2026-09-11T19:43:05.409Z","dateReserved":"2026-08-26T14:34:25.813Z","dateUpdated":"2026-09-11T19:43:05.409Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-11 20:19:10","lastModifiedDate":"2026-09-11 20:19:10","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"81017","Ordinal":"1","Title":"platform/chrome: sensorhub: Bound the EC-reported sensor number","CVE":"CVE-2026-81017","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"81017","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nplatform/chrome: sensorhub: Bound the EC-reported sensor number\n\nEach EC FIFO event carries an 8-bit sensor number (in->sensor_num).\ncros_ec_sensorhub_ring_handler() validates the FIFO event count, the\nper-read count and the ring bound, but not the sensor number, which\ncros_ec_sensor_ring_process_event() then uses unchecked to index\nsensorhub->batch_state[] - allocated with only sensorhub->sensor_num\nentries. A sensor number of sensor_num or larger is an out-of-bounds\nread and write of batch_state[].\n\nValidate the sensor number in the ring handler, where each event is read\nfrom the EC, and drop a malformed event before it is used.","Type":"Description","Title":"platform/chrome: sensorhub: Bound the EC-reported sensor number"}]}}}