{"id":"CVE-2026-93165","revision":"7aec358336b44fe9bfbf08249672fd10","records":[{"revision":"7aec358336b44fe9bfbf08249672fd10","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-93165","aliases":[],"title":"platform/chrome: sensorhub: Fix memory overread in ring handler","description":"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_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.","state":0,"publishedAt":"2026-09-17T16:11:57.922+00:00","modifiedAt":"2026-10-19T09:06:37.145+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/platform/chrome/cros_ec_sensorhub_ring.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"145d59baff5944b71551ac518d7fd7d377a9c820\",\n                            \"lessThan\": \"98604cc8fd2578442f49cd113481e8fc83bc0ad3\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"145d59baff5944b71551ac518d7fd7d377a9c820\",\n                            \"lessThan\": \"86bcfab7dff6f0a61cbe0660e5176e907353141b\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"145d59baff5944b71551ac518d7fd7d377a9c820\",\n                            \"lessThan\": \"7e901aaf95828364b05a2120a1bea1a1669bdc9a\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"145d59baff5944b71551ac518d7fd7d377a9c820\",\n                            \"lessThan\": \"7780d93ae28f31fe517417c9451255315d1ad584\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"145d59baff5944b71551ac518d7fd7d377a9c820\",\n                            \"lessThan\": \"ee0403520cdbcf87e853df9aaa9b518a0684ed38\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"145d59baff5944b71551ac518d7fd7d377a9c820\",\n                            \"lessThan\": \"847a5ba0ac75f609e3f88da905251f7a76179145\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"145d59baff5944b71551ac518d7fd7d377a9c820\",\n                            \"lessThan\": \"6268f46d83875d294d75b68b97a5b79953744598\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"145d59baff5944b71551ac518d7fd7d377a9c820\",\n                            \"lessThan\": \"d1ceb2b2324717fa30b44d56ef0c52813e239569\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/platform/chrome/cros_ec_sensorhub_ring.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"5.7\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"5.7\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.10.270\",\n                            \"lessThanOrEqual\": \"5.10.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.15.221\",\n                            \"lessThanOrEqual\": \"5.15.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.188\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.157\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.110\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.52\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.6\",\n                            \"lessThanOrEqual\": \"7.2.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.3\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","score":7.7,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/98604cc8fd2578442f49cd113481e8fc83bc0ad3","https://git.kernel.org/stable/c/86bcfab7dff6f0a61cbe0660e5176e907353141b","https://git.kernel.org/stable/c/7e901aaf95828364b05a2120a1bea1a1669bdc9a","https://git.kernel.org/stable/c/7780d93ae28f31fe517417c9451255315d1ad584","https://git.kernel.org/stable/c/ee0403520cdbcf87e853df9aaa9b518a0684ed38","https://git.kernel.org/stable/c/847a5ba0ac75f609e3f88da905251f7a76179145","https://git.kernel.org/stable/c/6268f46d83875d294d75b68b97a5b79953744598","https://git.kernel.org/stable/c/d1ceb2b2324717fa30b44d56ef0c52813e239569"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-93165","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-93165","identifiers":["CVE-2026-93165"]},"retained":false,"historicalAffected":[]}],"coverage":[]}