CVE-2021-3669

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.
References
Link Resource
https://access.redhat.com/security/cve/CVE-2021-3669 Issue Tracking Third Party Advisory
https://security-tracker.debian.org/tracker/CVE-2021-3669 Issue Tracking Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1986473 Permissions Required
https://bugzilla.redhat.com/show_bug.cgi?id=1980619 Issue Tracking Third Party Advisory
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Configurations

Configuration 1 (hide)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Configuration 2 (hide)

AND
OR cpe:2.3:a:ibm:spectrum_copy_data_management:*:*:*:*:*:*:*:*
cpe:2.3:a:ibm:spectrum_protect_plus:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*

Configuration 3 (hide)

OR cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*

Configuration 4 (hide)

cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*

Configuration 5 (hide)

OR cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:developer_tools:1.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_for_real_time:8:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_for_real_time_for_nfv:8:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian:8.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems:8.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions:8.6:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus:8.6:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_aus:8.6:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_tus:8.6:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:8.6:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_for_real_time_for_nfv_tus:8.6:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_for_real_time_tus:8.6:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_aus:8.6:*:*:*:*:*:*:*
cpe:2.3:a:redhat:build_of_quarkus:*:*:*:*:*:*:*:*

Configuration 6 (hide)

AND
cpe:2.3:a:redhat:codeready_linux_builder:-:*:*:*:*:*:*:*
OR cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_eus:8.6:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian:8.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:8.6:*:*:*:*:*:*:*

Configuration 7 (hide)

AND
OR cpe:2.3:a:redhat:openshift_container_platform:4.6:*:*:*:*:*:*:*
cpe:2.3:a:redhat:openshift_container_platform:4.7:*:*:*:*:*:*:*
cpe:2.3:a:redhat:openshift_container_platform:4.9:*:*:*:*:*:*:*
cpe:2.3:a:redhat:virtualization_host:4.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*

Information

Published : 2022-08-26 09:15

Updated : 2023-02-12 15:42


NVD link : CVE-2021-3669

Mitre link : CVE-2021-3669


JSON object : View

CWE
CWE-400

Uncontrolled Resource Consumption

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Products Affected

redhat

  • enterprise_linux_for_real_time_for_nfv_tus
  • enterprise_linux_for_real_time_for_nfv
  • enterprise_linux_for_ibm_z_systems_eus
  • virtualization_host
  • enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions
  • enterprise_linux
  • enterprise_linux_for_real_time_tus
  • build_of_quarkus
  • enterprise_linux_for_power_little_endian_eus
  • enterprise_linux_server_aus
  • codeready_linux_builder
  • enterprise_linux_for_real_time
  • enterprise_linux_for_power_little_endian
  • developer_tools
  • enterprise_linux_aus
  • enterprise_linux_for_ibm_z_systems
  • enterprise_linux_server_tus
  • openshift_container_platform
  • enterprise_linux_eus

linux

  • linux_kernel

ibm

  • spectrum_protect_plus
  • spectrum_copy_data_management

fedoraproject

  • fedora

debian

  • debian_linux