CVE-2026-31401 in Kernel
Summary
In the Linux kernel, the following vulnerability has been resolved:
HID: bpf: prevent buffer overflow in hid_hw_request
right now the returned value is considered to be always valid. However,
when playing with HID-BPF, the return value can be arbitrary big,
because it's the return value of dispatch_hid_bpf_raw_requests(), which
calls the struct_ops and we have no guarantees that the value makes
sense.
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Responsible
Linux
Reservation
03/09/2026
Disclosure
04/03/2026
Status
Confirmed
Entries
VulDB provides additional information and datapoints for this CVE:
| ID | Vulnerability | CWE | Exp | Cou | CVE |
|---|---|---|---|---|---|
| 355168 | Linux Kernel HID dispatch_hid_bpf_raw_requests buffer overflow | 120 | Not defined | Official fix | CVE-2026-31401 |