CVE-2021-3659

2022-08-2200:00:00

ubuntu.com

cve-2021-3659

linux kernel

wireless networking

system crash

vulnerability

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

0.0004 Low

EPSS

Percentile

5.1%

JSON

A NULL pointer dereference flaw was found in the Linux kernel’s IEEE
802.15.4 wireless networking subsystem in the way the user closes the
LR-WPAN connection. This flaw allows a local user to crash the system. The
highest threat from this vulnerability is to system availability.

Bugs

<https://bugzilla.redhat.com/show_bug.cgi?id=1975949>

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchlinux< 4.15.0-144.148UNKNOWN
ubuntu20.04noarchlinux< 5.4.0-74.83UNKNOWN
ubuntu21.04noarchlinux< 5.11.0-18.19UNKNOWN
ubuntu16.04noarchlinux< 4.4.0-239.273UNKNOWN
ubuntu18.04noarchlinux-aws< 4.15.0-1103.110UNKNOWN
ubuntu20.04noarchlinux-aws< 5.4.0-1049.51UNKNOWN
ubuntu21.04noarchlinux-aws< 5.11.0-1008.8UNKNOWN
ubuntu14.04noarchlinux-aws< 4.4.0-1117.123UNKNOWN
ubuntu16.04noarchlinux-aws< 4.4.0-1155.170UNKNOWN
ubuntu18.04noarchlinux-aws-5.4< 5.4.0-1049.51~18.04.1UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	linux	< 4.15.0-144.148	UNKNOWN
ubuntu	20.04	noarch	linux	< 5.4.0-74.83	UNKNOWN
ubuntu	21.04	noarch	linux	< 5.11.0-18.19	UNKNOWN
ubuntu	16.04	noarch	linux	< 4.4.0-239.273	UNKNOWN
ubuntu	18.04	noarch	linux-aws	< 4.15.0-1103.110	UNKNOWN
ubuntu	20.04	noarch	linux-aws	< 5.4.0-1049.51	UNKNOWN
ubuntu	21.04	noarch	linux-aws	< 5.11.0-1008.8	UNKNOWN
ubuntu	14.04	noarch	linux-aws	< 4.4.0-1117.123	UNKNOWN
ubuntu	16.04	noarch	linux-aws	< 4.4.0-1155.170	UNKNOWN
ubuntu	18.04	noarch	linux-aws-5.4	< 5.4.0-1049.51~18.04.1	UNKNOWN