CVE-2026-31401 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 hidhwrequest 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...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the lack of verification of the return value of the hidhwrequest function. This vulnerability may...

PT-2026-30184

Name of the Vulnerable Software and Affected Versions Linux Kernel affected versions not specified Description The Linux kernel contains a flaw within the HID subsystem's BPF functionality. Specifically, the hid hw request function does not adequately validate the return value from dispatch hid b...