{"id":"CVE-2026-93165","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nplatform/chrome: sensorhub: Fix memory overread in ring handler\n\n`max_response` and `sensor_num` are read from different EC commands:\n\n- `max_response` is from cros_ec_…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nplatform/chrome: sensorhub: Fix memory overread in ring handler\n\n`max_response` and `sensor_num` are read from different EC commands:\n\n- `max_response` is from cros_ec_…","severity":"high","cvss":7.7,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","vendor":"Linux","product":"Linux","affected":["Linux >= 145d59baff5944b71551ac518d7fd7d377a9c820 < 98604cc8fd2578442f49cd113481e8fc83bc0ad3","Linux >= 145d59baff5944b71551ac518d7fd7d377a9c820 < 86bcfab7dff6f0a61cbe0660e5176e907353141b","Linux >= 145d59baff5944b71551ac518d7fd7d377a9c820 < 7e901aaf95828364b05a2120a1bea1a1669bdc9a","Linux >= 145d59baff5944b71551ac518d7fd7d377a9c820 < 7780d93ae28f31fe517417c9451255315d1ad584","Linux >= 145d59baff5944b71551ac518d7fd7d377a9c820 < ee0403520cdbcf87e853df9aaa9b518a0684ed38","Linux >= 145d59baff5944b71551ac518d7fd7d377a9c820 < 847a5ba0ac75f609e3f88da905251f7a76179145","Linux >= 145d59baff5944b71551ac518d7fd7d377a9c820 < 6268f46d83875d294d75b68b97a5b79953744598","Linux >= 145d59baff5944b71551ac518d7fd7d377a9c820 < d1ceb2b2324717fa30b44d56ef0c52813e239569","Linux 5.7"],"published":"2026-09-17","updated":"2026-09-18","sourceUpdated":"2026-09-18T18:18:23.190","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-93165","references":[{"url":"https://git.kernel.org/stable/c/6268f46d83875d294d75b68b97a5b79953744598","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/7780d93ae28f31fe517417c9451255315d1ad584","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/7e901aaf95828364b05a2120a1bea1a1669bdc9a","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/847a5ba0ac75f609e3f88da905251f7a76179145","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/86bcfab7dff6f0a61cbe0660e5176e907353141b","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/98604cc8fd2578442f49cd113481e8fc83bc0ad3","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/d1ceb2b2324717fa30b44d56ef0c52813e239569","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/ee0403520cdbcf87e853df9aaa9b518a0684ed38","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"epss":0.00182,"epssPercentile":0.08071,"ingestedAt":"2026-09-17T16:21:47.733Z","slug":"CVE-2026-93165","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nplatform/chrome: sensorhub: Fix memory overread in ring handler\n\n`max_response` and `sensor_num` are read from different EC commands:\n\n- `max_response` is from cros_ec_get_proto_info().\n    ec_dev->max_response = info->max_response_packet_size -\n                                    sizeof(struct ec_host_response);\n\n- `sensor_num` is from cros_ec_get_sensor_count().\n    sensor_num = cros_ec_get_sensor_count(ec);\n\nWith a malfunctioning EC firmware, it is possible that the `msg->insize`\n(i.e., `fifo_info_length` in the context) could be clamped in\ncros_ec_cmd_xfer() because `msg->insize` is greater than `max_response`.\n\n    int fifo_info_length =\n            sizeof(struct ec_response_motion_sense_fifo_info) +\n            sizeof(u16) * sensorhub->sensor_num;\n\nThis means the number of read bytes could be less than expected.  As a\nresult, the subsequent memcpy() in cros_ec_sensorhub_ring_handler()\noverreads the `resp->fifo_info` buffer.\n\nCheck the return value of cros_ec_cmd_xfer_status() and abort if the\nnumber of bytes read does not match the expected length.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":42,"depthScoreParts":{"impact":42.4,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":207403,"id":"CVE-2026-93165","ts":1789757344313,"field":"cvss","old":null,"new":"7.7"},{"seq":207402,"id":"CVE-2026-93165","ts":1789757344313,"field":"severity","old":"none","new":"high"}]}