CVE-2026-93165platform/chrome: sensorhub: Fix memory overread in ring handler
Updated under an hour ago ()
Does this affect you?
It affects Linux. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
Do this next
Free account, 1 product
In the Linux kernel, the following vulnerability has been resolved: platform/chrome: sensorhub: Fix memory overread in ring handler `max_response` and `sensor_num` are read from different EC commands: - `max_response` is from cros_ec_get_proto_info(). ec_dev->max_response = info->max_response_packet_size - sizeof(struct ec_host_response); - `sensor_num` is from cros_ec_get_sensor_count(). sensor_num = cros_ec_get_sensor_count(ec); With a malfunctioning EC firmware, it is possible that the `msg->insize` (i.e., `fifo_info_length` in the context) could be clamped in cros_ec_cmd_xfer() because `msg->insize` is greater than `max_response`. int fifo_info_length = sizeof(struct ec_response_motion_sense_fifo_info) + sizeof(u16) * sensorhub->sensor_num; This means the number of read bytes could be less than expected. As a result, the subsequent memcpy() in cros_ec_sensorhub_ring_handler() overreads the `resp->fifo_info` buffer. Check the return value of cros_ec_cmd_xfer_status() and abort if the number of bytes read does not match the expected length.
- CVSS
- 7.7 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Linux
- NVD analysis
- Received
- Record last updated
- Sep 18, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Linux Linux linux:linux (from the name) | from 145d59baff5944b71551ac518d7fd7d377a9c820 before 98604cc8fd2578442f49cd113481e8fc83bc0ad3; 145d59baff5944b71551ac518d7fd7d377a9c820 builds before 86bcfab7dff6f0a61cbe0660e5176e907353141b; 145d59baff5944b71551ac518d7fd7d377a9c820 builds before 7e901aaf95828364b05a2120a1bea1a1669bdc9a; from 145d59baff5944b71551ac518d7fd7d377a9c820 before 7780d93ae28f31fe517417c9451255315d1ad584; from 145d59baff5944b71551ac518d7fd7d377a9c820 before ee0403520cdbcf87e853df9aaa9b518a0684ed38; from 145d59baff5944b71551ac518d7fd7d377a9c820 before 847a5ba0ac75f609e3f88da905251f7a76179145; from 145d59baff5944b71551ac518d7fd7d377a9c820 before 6268f46d83875d294d75b68b97a5b79953744598; from 145d59baff5944b71551ac518d7fd7d377a9c820 before d1ceb2b2324717fa30b44d56ef0c52813e239569 | CNA record |
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
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.