Description

In the Linux kernel, the following vulnerability has been resolved: usb: musb: Fix musb_gadget.c rxstate overflow bug The usb function device call musb_gadget_queue() adds the passed request to musb_ep::req_list,If the (request->length > musb_ep->packet_sz) and (is_buffer_mapped(req) return false),the rxstate() will copy all data in fifo to request->buf which may cause request->buf out of bounds. Fix it by add the length check : fifocnt = min_t(unsigned, request->length - request->actual, fifocnt);

INFO

Published Date :

2025-12-30T12:23:16.790Z

Last Modified :

2026-01-02T15:05:10.481Z

Source :

Linux
AFFECTED PRODUCTS

The following products are affected by CVE-2022-50876 vulnerability.

Vendors Products
Linux
  • Linux Kernel

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