CVE-2023-53071

medium

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: do not run mt76_unregister_device() on unregistered hw Trying to probe a mt7921e pci card without firmware results in a successful probe where ieee80211_register_hw hasn't been called. When removing the driver, ieee802111_unregister_hw is called unconditionally leading to a kernel NULL pointer dereference. Fix the issue running mt76_unregister_device routine just for registered hw.

References

https://git.kernel.org/stable/c/dffe86df26aee01a5fc56a175b7a7f157961e370

https://git.kernel.org/stable/c/41130c32f3a18fcc930316da17f3a5f3bc326aa1

https://git.kernel.org/stable/c/2d34f27714c97a9786a30b3bb54944d6d8ed612f

Details

Source: Mitre, NVD

Published: 2025-05-02

Updated: 2025-05-02

Risk Information

CVSS v2

Base Score: 4.9

Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Severity: Medium

EPSS

EPSS: 0.00017