CVE-2021-3669

Severity CVSS v4.0:

Pending analysis

Type:

CWE-400 Uncontrolled Resource Consumption ('Resource Exhaustion')

Publication date:

26/08/2022

Last modified:

03/11/2025

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.

Impact

Vector 3.x

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 5.50 MEDIUM
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x

5.50

Severity 3.x

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:linux:linux_kernel::::::::
cpe:2.3:a:ibm:spectrum_copy_data_management::::::::	2.2.0.0 (including)	2.2.15.0 (including)
cpe:2.3:a:ibm:spectrum_protect_plus::::::::	10.1.0 (including)	10.1.10.2 (including)
cpe:2.3:o:linux:linux_kernel:-:::::::*
cpe:2.3:o:debian:debian_linux:10.0:::::::*
cpe:2.3:o:debian:debian_linux:11.0:::::::*
cpe:2.3:o:fedoraproject:fedora:34:::::::*
cpe:2.3:a:redhat:build_of_quarkus::::::::	2.0 (including)	2.7 (excluding)
cpe:2.3:a:redhat:developer_tools:1.0:::::::*
cpe:2.3:o:redhat:enterprise_linux:6.0:::::::*
cpe:2.3:o:redhat:enterprise_linux:7.0:::::::*
cpe:2.3:o:redhat:enterprise_linux:8.0:::::::*
cpe:2.3:o:redhat:enterprise_linux_aus:8.6:::::::*
cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems:8.0:::::::*
cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus:8.6:::::::*

To consult the complete list of CPE names with products and versions, see this page

CPE	From	Up to
cpe:2.3:o:linux:linux_kernel::::::::
cpe:2.3:a:ibm:spectrum_copy_data_management::::::::	2.2.0.0 (including)	2.2.15.0 (including)
cpe:2.3:a:ibm:spectrum_protect_plus::::::::	10.1.0 (including)	10.1.10.2 (including)
cpe:2.3:o:linux:linux_kernel:-:::::::*
cpe:2.3:o:debian:debian_linux:10.0:::::::*
cpe:2.3:o:debian:debian_linux:11.0:::::::*
cpe:2.3:o:fedoraproject:fedora:34:::::::*
cpe:2.3:a:redhat:build_of_quarkus::::::::	2.0 (including)	2.7 (excluding)
cpe:2.3:a:redhat:developer_tools:1.0:::::::*
cpe:2.3:o:redhat:enterprise_linux:6.0:::::::*
cpe:2.3:o:redhat:enterprise_linux:7.0:::::::*
cpe:2.3:o:redhat:enterprise_linux:8.0:::::::*
cpe:2.3:o:redhat:enterprise_linux_aus:8.6:::::::*
cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems:8.0:::::::*
cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus:8.6:::::::*

CVE-2021-3669

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools