UBUNTU-CVE-2021-3669

Advisory lineage Upstream: 1 Downstream: 15
Upstream
CVE-2021-3669
Published: 26 Aug 2022, 16:15
Last modified:03 Jun 2026, 13:34

Vulnerability Summary

Overall Risk (default)
low
22/100
CVSS Score
5.5 MEDIUM
3.1 (osv_ubuntu)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

26 Aug 2022, 16:15
Published
Vulnerability first disclosed
03 Jun 2026, 13:34
Last Modified
Vulnerability information updated

Description

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.

CVSS Metrics

  • v3.1•MEDIUM•Score: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected Systems

  • ubuntu•linux

    all | < 4.4.0-239.273 | < 4.15.0-208.220 | < 5.4.0-146.163

  • ubuntu•linux-aws

    < 4.4.0-1117.123 | < 4.4.0-1155.170 | < 4.15.0-1153.166 | < 5.4.0-1099.107

  • ubuntu•linux-aws-5.0

    all

  • ubuntu•linux-aws-5.11

    all

  • ubuntu•linux-aws-5.13

    all

  • ubuntu•linux-aws-5.3

    all

  • ubuntu•linux-aws-5.4

    < 5.4.0-1099.107~18.04.1

  • ubuntu•linux-aws-5.8

    all

  • ubuntu•linux-aws-fips

    < 4.15.0-2092.98 | all | < 5.4.0-1099.107+fips1

  • ubuntu•linux-aws-hwe

    < 4.15.0-1153.166~16.04.1

  • ubuntu•linux-azure

    < 4.15.0-1162.177~14.04.1 | < 4.15.0-1162.177~16.04.1 | all | < 5.4.0-1105.111

  • ubuntu•linux-azure-4.15

    < 4.15.0-1162.177

  • ubuntu•linux-azure-5.11

    all

  • ubuntu•linux-azure-5.13

    all

  • ubuntu•linux-azure-5.3

    all

  • ubuntu•linux-azure-5.4

    < 5.4.0-1105.111~18.04.1

  • ubuntu•linux-azure-5.8

    all

  • ubuntu•linux-azure-edge

    all

  • ubuntu•linux-azure-fips

    < 4.15.0-2071.77 | all | < 5.4.0-1105.111+fips1

  • ubuntu•linux-bluefield

    < 5.4.0-1060.66 | all

  • ubuntu•linux-dell300x

    < 4.15.0-1062.67

  • ubuntu•linux-fips

    < 4.4.0-1088.95 | all | < 4.15.0-1108.119 | < 5.4.0-1074.83

  • ubuntu•linux-gcp

    < 4.15.0-1147.163~16.04.1 | all | < 5.4.0-1102.111

  • ubuntu•linux-gcp-4.15

    < 4.15.0-1147.163

  • ubuntu•linux-gcp-5.11

    all

  • ubuntu•linux-gcp-5.13

    all

  • ubuntu•linux-gcp-5.3

    all

  • ubuntu•linux-gcp-5.4

    < 5.4.0-1102.111~18.04.2

  • ubuntu•linux-gcp-5.8

    all

  • ubuntu•linux-gcp-edge

    all

  • ubuntu•linux-gcp-fips

    < 4.15.0-2055.60 | all | < 5.4.0-1102.111+fips1

  • ubuntu•linux-gke

    < 5.4.0-1096.103

  • ubuntu•linux-gke-4.15

    all

  • ubuntu•linux-gke-5.4

    all

  • ubuntu•linux-gkeop

    < 5.4.0-1066.70

  • ubuntu•linux-gkeop-5.4

    all

  • ubuntu•linux-hwe

    < 4.15.0-208.219~16.04.1 | all

  • ubuntu•linux-hwe-5.11

    all

  • ubuntu•linux-hwe-5.13

    all

  • ubuntu•linux-hwe-5.4

    < 5.4.0-146.163~18.04.1

  • ubuntu•linux-hwe-5.8

    all

  • ubuntu•linux-hwe-edge

    all | all

  • ubuntu•linux-ibm

    < 5.4.0-1046.51

  • ubuntu•linux-ibm-5.4

    < 5.4.0-1046.51~18.04.1

  • ubuntu•linux-intel-5.13

    all

  • ubuntu•linux-intel-iot-realtime

    all

  • ubuntu•linux-iot

    < 5.4.0-1013.15

  • ubuntu•linux-kvm

    < 4.4.0-1118.128 | < 4.15.0-1137.142 | < 5.4.0-1088.94

  • ubuntu•linux-lts-xenial

    < 4.4.0-239.273~14.04.1

  • ubuntu•linux-nvidia

    all

Showing first 50 affected entries in server-rendered view.

References (18)