CVE-2021-37159

CVE Details

Release Date:

2021-07-21

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.

See more information about CVE-2021-37159 from MITRE CVE dictionary and NIST NVD

CVSS v3.0 metrics

NOTE: The following CVSS v3.0 metrics and score provided are preliminary and subject to review.

Base Score:	6.4	Base Metrics:	AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Access Vector:	Physical	Attack Complexity:	High
Privileges Required:	None	User Interaction:	None
Scope:	Unchanged	Confidentiality Impact:	High
Integrity Impact:	High	Availability Impact:	High

Errata information

Platform	Errata	Release Date
Oracle Linux version 7 (kernel-uek)	ELSA-2021-9474	2021-10-11
Oracle Linux version 7 (kernel-uek-container)	ELSA-2021-9475	2021-10-11
Oracle Linux version 8 (kernel)	ELSA-2022-1988	2022-05-17
Oracle Linux version 8 (kernel-uek)	ELSA-2021-9474	2021-10-11
Oracle Linux version 8 (kernel-uek-container)	ELSA-2021-9475	2021-10-11

This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections please contact the Oracle Linux ULN team