CVE-2021-38204

2021-08-0800:00:00

ubuntu.com

linux

kernel

usb

driver

vulnerability

use-after-free

panic

denial of service

max-3421

device

CVSS2

4.6

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:P/I:P/A:P

CVSS3

6.8

Attack Vector

PHYSICAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.001

Percentile

38.5%

JSON

drivers/usb/host/max3421-hcd.c in the Linux kernel before 5.13.6 allows
physically proximate attackers to cause a denial of service (use-after-free
and panic) by removing a MAX-3421 USB device in certain situations.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchlinux< 4.15.0-159.167UNKNOWN
ubuntu20.04noarchlinux< 5.4.0-88.99UNKNOWN
ubuntu21.04noarchlinux< 5.11.0-37.41UNKNOWN
ubuntu16.04noarchlinux< 4.4.0-219.252UNKNOWN
ubuntu18.04noarchlinux-aws< 4.15.0-1112.119UNKNOWN
ubuntu20.04noarchlinux-aws< 5.4.0-1057.60UNKNOWN
ubuntu21.04noarchlinux-aws< 5.11.0-1019.20UNKNOWN
ubuntu14.04noarchlinux-aws< 4.4.0-1099.104UNKNOWN
ubuntu16.04noarchlinux-aws< 4.4.0-1135.149UNKNOWN
ubuntu20.04noarchlinux-aws-5.11< 5.11.0-1019.20~20.04.1UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	linux	< 4.15.0-159.167	UNKNOWN
ubuntu	20.04	noarch	linux	< 5.4.0-88.99	UNKNOWN
ubuntu	21.04	noarch	linux	< 5.11.0-37.41	UNKNOWN
ubuntu	16.04	noarch	linux	< 4.4.0-219.252	UNKNOWN
ubuntu	18.04	noarch	linux-aws	< 4.15.0-1112.119	UNKNOWN
ubuntu	20.04	noarch	linux-aws	< 5.4.0-1057.60	UNKNOWN
ubuntu	21.04	noarch	linux-aws	< 5.11.0-1019.20	UNKNOWN
ubuntu	14.04	noarch	linux-aws	< 4.4.0-1099.104	UNKNOWN
ubuntu	16.04	noarch	linux-aws	< 4.4.0-1135.149	UNKNOWN
ubuntu	20.04	noarch	linux-aws-5.11	< 5.11.0-1019.20~20.04.1	UNKNOWN