CVE-2021-37159

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CVSS 3.1

6.4 medium

EPSS

<1%p33

Published

Jul 21, 2021 (Jul 21, 2021)

Modified

Jun 17, 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.

Vendors: linux debian oracle
Products: linux kernel, debian linux, communications cloud native core binding support function, communications cloud native core network exposure function, communications cloud native core policy
Weakness: CWE-415, CWE-416
Vector: CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (0.4%)

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