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ubuntucveUbuntu.comUB:CVE-2021-3669
HistoryAug 26, 2022 - 12:00 a.m.

CVE-2021-3669

2022-08-2600:00:00
ubuntu.com
ubuntu.com
33

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 flaw was found in the Linux kernel. Measuring usage of the shared memory
does not scale with large shared memory segment counts which could lead to
resource exhaustion and DoS.

Bugs

Notes

Author Note
sbeattie I think the issue is what is being addressed in the referenced lkml thread.
rodrigo-zaiden USN-5975-1 first publication included esm/xenial linux-gcp version 4.15.0-1146.162~16.04.1 by mistake, it got fixed in version 4.15.0-1147.163~16.04.1 as published in USN-6009-1.
OSVersionArchitecturePackageVersionFilename
ubuntu20.04noarchlinux-aws< 5.4.0-1099.107UNKNOWN
ubuntu18.04noarchlinux-aws< 4.15.0-1153.166UNKNOWN
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
ubuntu16.04noarchlinux-aws-hwe< 4.15.0-1153.166~16.04.1) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
ubuntu20.04noarchlinux-azure< 5.4.0-1105.111UNKNOWN
ubuntu14.04noarchlinux-azure< 4.15.0-1162.177~14.04.1) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
ubuntu16.04noarchlinux-azure< 4.15.0-1162.177~16.04.1) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
ubuntu18.04noarchlinux-azure-4.15< 4.15.0-1162.177UNKNOWN
ubuntu18.04noarchlinux-raspi2< 4.15.0-1129.137UNKNOWN
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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%

JSON
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