CVE-2021-3759

2021-09-0200:00:00

ubuntu.com

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%

JSON

A memory overflow vulnerability was found in the Linux kernel’s ipc
functionality of the memcg subsystem, in the way a user calls the semget
function multiple times, creating semaphores. This flaw allows a local user
to starve the resources, causing a denial of service. The highest threat
from this vulnerability is to system availability.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchlinux< 4.15.0-162.170UNKNOWN
ubuntu20.04noarchlinux< 5.4.0-90.101UNKNOWN
ubuntu21.04noarchlinux< 5.11.0-40.44UNKNOWN
ubuntu21.10noarchlinux< 5.13.0-21.21UNKNOWN
ubuntu18.04noarchlinux-aws< 4.15.0-1115.122UNKNOWN
ubuntu20.04noarchlinux-aws< 5.4.0-1059.62UNKNOWN
ubuntu21.04noarchlinux-aws< 5.11.0-1021.22UNKNOWN
ubuntu21.10noarchlinux-aws< 5.13.0-1006.7UNKNOWN
ubuntu20.04noarchlinux-aws-5.11< 5.11.0-1021.22~20.04.2UNKNOWN
ubuntu18.04noarchlinux-aws-5.4< 5.4.0-1059.62~18.04.1UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	linux	< 4.15.0-162.170	UNKNOWN
ubuntu	20.04	noarch	linux	< 5.4.0-90.101	UNKNOWN
ubuntu	21.04	noarch	linux	< 5.11.0-40.44	UNKNOWN
ubuntu	21.10	noarch	linux	< 5.13.0-21.21	UNKNOWN
ubuntu	18.04	noarch	linux-aws	< 4.15.0-1115.122	UNKNOWN
ubuntu	20.04	noarch	linux-aws	< 5.4.0-1059.62	UNKNOWN
ubuntu	21.04	noarch	linux-aws	< 5.11.0-1021.22	UNKNOWN
ubuntu	21.10	noarch	linux-aws	< 5.13.0-1006.7	UNKNOWN
ubuntu	20.04	noarch	linux-aws-5.11	< 5.11.0-1021.22~20.04.2	UNKNOWN
ubuntu	18.04	noarch	linux-aws-5.4	< 5.4.0-1059.62~18.04.1	UNKNOWN