Linux Kernel HID-BPF Buffer Overflow in hid_hw_request
CVE-2026-31401 Published on April 3, 2026

HID: bpf: prevent buffer overflow in hid_hw_request
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.

NVD


Products Associated with CVE-2026-31401

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Affected Versions

Linux: Linux: