CVE-2025-40314

Description

In the Linux kernel, the following vulnerability has been resolved:usb: cdns3: gadget: Use-after-free during failed initialization and exit of cdnsp gadgetIn the __cdnsp_gadget_init() and cdnsp_gadget_exit() functions, the gadgetstructure (pdev->gadget) was freed before its endpoints.The endpoints are linked via the ep_list in the gadget structure.Freeing the gadget first leaves dangling pointers in the endpoint list.When the endpoints are subsequently freed, this results in a use-after-free.Fix:By separating the usb_del_gadget_udc() operation into distinct del andput steps, cdnsp_gadget_free_endpoints() can be executed prior to thefinal release of the gadget structure with usb_put_gadget().A patch similar to bb9c74a5bd14(usb: dwc3: gadget: Free gadget structure only after freeing endpoints).

Risk Information

Base Score

7.8

MODERATE

Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Score

Exploitation Probability

0.036

Associated Vulnerability

No records found

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234