CVE-2021-37159

MEDIUM · CVSS 6.4 EPSS 0.39%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-07-21 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

CVE

CVE-2021-37159

Severity

MEDIUM

CVSS

6.4

EPSS

0.39%

Linux

Original NVD 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.