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ubuntucveUbuntu.comUB:CVE-2021-3679
HistoryAug 05, 2021 - 12:00 a.m.

CVE-2021-3679

2021-08-0500:00:00
ubuntu.com
ubuntu.com
12

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

2.1 Low

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.0004 Low

EPSS

Percentile

5.3%

A lack of CPU resource in the Linux kernel tracing module functionality in
versions prior to 5.14-rc3 was found in the way user uses trace ring buffer
in a specific way. Only privileged local users (with CAP_SYS_ADMIN
capability) could use this flaw to starve the resources causing denial of
service.

OSVersionArchitecturePackageVersionFilename
ubuntu20.04noarchlinux-aws-5.11< 5.11.0-1019.20~20.04.1UNKNOWN
ubuntu18.04noarchlinux-aws-5.4< 5.4.0-1057.60~18.04.1UNKNOWN
ubuntu16.04noarchlinux-aws-hwe< 4.15.0-1112.119~16.04.1) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
ubuntu14.04noarchlinux-azure< 4.15.0-1124.137~14.04.1) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
ubuntu16.04noarchlinux-azure< 4.15.0-1124.137~16.04.1) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
ubuntu20.04noarchlinux-azure< 5.4.0-1059.62UNKNOWN
ubuntu21.04noarchlinux-azure< 5.11.0-1017.18UNKNOWN
ubuntu18.04noarchlinux-azure-4.15< 4.15.0-1124.137UNKNOWN
ubuntu20.04noarchlinux-azure-5.11< 5.11.0-1017.18~20.04.1UNKNOWN
ubuntu18.04noarchlinux-azure-5.4< 5.4.0-1059.62~18.04.1UNKNOWN
Rows per page:
1-10 of 591

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

2.1 Low

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.0004 Low

EPSS

Percentile

5.3%