CVE-2022-25258

MEDIUM

Linux Kernel < 5.16.10 - Memory Corruption via USB Gadget Interface OS Descriptor Request

Title source: llm

Exploitation Summary

EIP tracks 1 public exploit for CVE-2022-25258. PoCs published by szymonh.

AI-analyzed exploit summary This PoC exploits a null pointer dereference and out-of-bounds array access in the Linux USB Gadget Subsystem's OS descriptor handling. It sends maliciously crafted control transfer requests to crash the device.

Description

An issue was discovered in drivers/usb/gadget/composite.c in the Linux kernel before 5.16.10. The USB Gadget subsystem lacks certain validation of interface OS descriptor requests (ones with a large array index and ones associated with NULL function pointer retrieval). Memory corruption might occur.

Exploits (1)

nomisec WORKING POC

by szymonh · poc

https://github.com/szymonh/d-os-descriptor

View Code ZIP pw:eip

This PoC exploits a null pointer dereference and out-of-bounds array access in the Linux USB Gadget Subsystem's OS descriptor handling. It sends maliciously crafted control transfer requests to crash the device.

Classification

Working Poc 95%

Attack Type

Dos

Complexity

Moderate

Reliability

Reliable

Target: Linux Kernel (USB Gadget Subsystem)

No auth needed

Prerequisites: Physical or logical access to a USB device with the vulnerable subsystem · PyUSB library installed

MITRE ATT&CK