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ubuntucveUbuntu.comUB:CVE-2021-3659
HistoryAug 22, 2022 - 12:00 a.m.

CVE-2021-3659

2022-08-2200:00:00
ubuntu.com
ubuntu.com
13

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

1.7 Low

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.0004 Low

EPSS

Percentile

5.3%

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

OSVersionArchitecturePackageVersionFilename
ubuntu20.04noarchlinux< 5.4.0-74.83UNKNOWN
ubuntu21.04noarchlinux< 5.11.0-18.19UNKNOWN
ubuntu18.04noarchlinux< 4.15.0-144.148UNKNOWN
ubuntu16.04noarchlinux< 4.4.0-239.273) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
ubuntu20.04noarchlinux-aws< 5.4.0-1049.51UNKNOWN
ubuntu21.04noarchlinux-aws< 5.11.0-1008.8UNKNOWN
ubuntu18.04noarchlinux-aws< 4.15.0-1103.110UNKNOWN
ubuntu16.04noarchlinux-aws< 4.4.0-1155.170) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
ubuntu14.04noarchlinux-aws< 4.4.0-1117.123) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
ubuntu18.04noarchlinux-aws-5.4< 5.4.0-1049.51~18.04.1UNKNOWN
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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

1.7 Low

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.0004 Low

EPSS

Percentile

5.3%