CVE-2026-89729
In the Linux kernel, the following vulnerability has been resolved: HID: sensor-hub: Fix out-of-bounds write in sensor_hub_get_feature sensor_hub_get_feature() clamps its return value to the caller's buffer size, but the copy loop still copies field->report_size / 8 bytes for each report value. A malicious HID descriptor can advertise a large feature field size while an IIO caller supplies a small stack buffer, such as a single s32, causing an out-of-bounds write. HID core stores parsed report values in __s32 slots and clamps extracted values to 32 bits. Reject feature fields that require more than one slot per value, guard the total byte count calculation, and clamp each per-value copy to the remaining caller buffer.
- CVSS 3.1
- 8.8
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - EPSS
- 0.4% chance of exploitation in the next 30 days; higher than 28% of CVEs (scores of 2026-10-25)
- Published
- Modified
- Record from
- the NVD, synced
References
- https://git.kernel.org/stable/c/1c0463f0f028801a933f090cd2695f132635b374
- https://git.kernel.org/stable/c/4145aa149a32e4b35d5d47e380d0c6c438b4e6fe
- https://git.kernel.org/stable/c/8bf8aaf2f74de64f801eb30bc38927dba1f8e40a
- https://git.kernel.org/stable/c/9f43499ce6458a572b781f6bb46c464ab59fa825
- https://git.kernel.org/stable/c/bc3d72c44bff17688dc5f3e5132a53b51dae0f04