Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2025-21838

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
07/03/2025
Last modified:
03/11/2025

Description

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> usb: gadget: core: flush gadget workqueue after device removal<br /> <br /> device_del() can lead to new work being scheduled in gadget-&gt;work<br /> workqueue. This is observed, for example, with the dwc3 driver with the<br /> following call stack:<br /> device_del()<br /> gadget_unbind_driver()<br /> usb_gadget_disconnect_locked()<br /> dwc3_gadget_pullup()<br /> dwc3_gadget_soft_disconnect()<br /> usb_gadget_set_state()<br /> schedule_work(&amp;gadget-&gt;work)<br /> <br /> Move flush_work() after device_del() to ensure the workqueue is cleaned<br /> up.

Impact

Vector 3.x
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 5.50 MEDIUM
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x
5.50
Severity 3.x
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 3.12 (including) 6.1.130 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 6.2 (including) 6.6.80 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 6.7 (including) 6.12.16 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 6.13 (including) 6.13.4 (excluding)
cpe:2.3:o:linux:linux_kernel:6.14:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.14:rc2:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools