CVE-2021-37159

MediumCVSS 6.4/10Last modified Oct 8, 2026

Description

hso_free_net_device in drivers/net/usb/hso.c in the Linux kernel through 5.13.4 calls unregister_netdev without checking for the NETREG_REGISTERED state, leading to a use-after-free and a double free.

Metrics

CVSS 3.1 6.4/10CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-415 CWE-416

Affected software

No affected versions have been published.

Timeline

Published: Jul 21, 2021
Last modified: Oct 8, 2026
NVD status: Modified

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