USB Driver Vulnerability in Linux Kernel Affecting Media Devices by Open Source Community
CVE-2022-49937
What is CVE-2022-49937?
An issue has been identified within the mceusb driver in the Linux kernel, where improper handling of USB control messages can lead to erroneous behavior. The driver fails to correctly set the USB direction in the bRequestType field when sending a control message. This oversight can result in warnings and potential instability by failing to align with expected communication protocols. A fix has been introduced to streamline the driver code, enhancing reliability and simplifying the communication process through the newly implemented usb_control_msg_recv() and usb_control_msg_send() routines.
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Affected Version(s)
Linux 66e89522aff70fb2701ba8f6845fdcd365dd2ade < 587f793c64d99d92be8ef01c4c69d885a3f2edb6
Linux 66e89522aff70fb2701ba8f6845fdcd365dd2ade < 75913c562f5ba4cf397d835c63f443879167c6f6
Linux 66e89522aff70fb2701ba8f6845fdcd365dd2ade