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);
CVSS
No CVSS.
References
Configurations
No configuration.
History
No history.
Information
Published : 2025-12-30 13:16
Updated : 2026-06-17 05:24
NVD link : CVE-2022-50876
Mitre link : CVE-2022-50876
CVE.ORG link : CVE-2022-50876
JSON object : View
Products Affected
No product.
CWE
No CWE.
