CVE Database›CVE-2025-37985

CVE-2025-37985

kernel: USB: wdm: close race between wdm_open and wdm_wwan_port_stop

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Severity

Moderate

Red Hat Product Security

4.7

CVSS 3.1

Review impact separately from score.

Published · May 20, 2025

Updated · June 30, 2026

Description

In the Linux kernel, the following vulnerability has been resolved:

USB: wdm: close race between wdm_open and wdm_wwan_port_stop

Clearing WDM_WWAN_IN_USE must be the last action or we can open a chardev whose URBs are still poisoned

Statement

The bug actual only if WMC Device Management functionality being used (that is for the cell phones compliant to the CDC WMC specification). It is about possibility of incorrect access to the device (can access after release of the device). It doesn't lead to kernel crash or other possibilities of attack, so the security impact is limited.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

To mitigate this issue, prevent module cdc-wdm from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.

CVSS / CWE

CVSS 3.1 · 4.7
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE-826 · Premature Release of Resource During Expected Lifetime