CWE
770 400
Advisory Published
CVE Published
Updated

CVE-2021-3669

First published: Tue Jul 27 2021(Updated: )

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.

Credit: secalert@redhat.com secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
redhat/kernel-rt<0:4.18.0-372.9.1.rt7.166.el8
0:4.18.0-372.9.1.rt7.166.el8
redhat/kernel<0:4.18.0-372.9.1.el8
0:4.18.0-372.9.1.el8
Linux Linux kernel
IBM Spectrum Copy Data Management>=2.2.0.0<=2.2.15.0
IBM Spectrum Protect Plus>=10.1.0<=10.1.10.2
Linux Linux kernel
Debian Debian Linux=10.0
Debian Debian Linux=11.0
Fedoraproject Fedora=34
Redhat Build Of Quarkus>=2.0<2.7
Redhat Developer Tools=1.0
Redhat Enterprise Linux=6.0
Redhat Enterprise Linux=7.0
Redhat Enterprise Linux=8.0
Redhat Enterprise Linux Aus=8.6
Redhat Enterprise Linux For Ibm Z Systems=8.0
Redhat Enterprise Linux For Ibm Z Systems Eus=8.6
Redhat Enterprise Linux For Power Little Endian=8.0
Redhat Enterprise Linux For Power Little Endian Eus=8.6
Redhat Enterprise Linux For Real Time=8
Redhat Enterprise Linux For Real Time For Nfv=8
Redhat Enterprise Linux For Real Time For Nfv Tus=8.6
Redhat Enterprise Linux For Real Time Tus=8.6
Redhat Enterprise Linux Server Aus=8.6
Redhat Enterprise Linux Server For Power Little Endian Update Services For Sap Solutions=8.6
Redhat Enterprise Linux Server Tus=8.6
Redhat Codeready Linux Builder
Redhat Enterprise Linux=8.0
Redhat Enterprise Linux Eus=8.6
Redhat Enterprise Linux For Power Little Endian=8.0
Redhat Enterprise Linux For Power Little Endian Eus=8.6
Redhat Openshift Container Platform=4.6
Redhat Openshift Container Platform=4.7
Redhat Openshift Container Platform=4.9
Redhat Virtualization Host=4.0
All of
Any of
IBM Spectrum Copy Data Management>=2.2.0.0<=2.2.15.0
IBM Spectrum Protect Plus>=10.1.0<=10.1.10.2
Linux Linux kernel
All of
Redhat Codeready Linux Builder
Any of
Redhat Enterprise Linux=8.0
Redhat Enterprise Linux Eus=8.6
Redhat Enterprise Linux For Power Little Endian=8.0
Redhat Enterprise Linux For Power Little Endian Eus=8.6
All of
Any of
Redhat Openshift Container Platform=4.6
Redhat Openshift Container Platform=4.7
Redhat Openshift Container Platform=4.9
Redhat Virtualization Host=4.0
Redhat Enterprise Linux=8.0
ubuntu/linux<4.15.0-208.220
4.15.0-208.220
ubuntu/linux<5.4.0-146.163
5.4.0-146.163
ubuntu/linux<5.15~
5.15~
ubuntu/linux<4.4.0-239.273
4.4.0-239.273
ubuntu/linux-aws<4.15.0-1153.166
4.15.0-1153.166
ubuntu/linux-aws<5.4.0-1099.107
5.4.0-1099.107
ubuntu/linux-aws<4.4.0-1117.123
4.4.0-1117.123
ubuntu/linux-aws<5.15~
5.15~
ubuntu/linux-aws<4.4.0-1155.170
4.4.0-1155.170
ubuntu/linux-aws-5.0<5.15~
5.15~
ubuntu/linux-aws-5.11<5.15~
5.15~
ubuntu/linux-aws-5.13<5.15~
5.15~
ubuntu/linux-aws-5.15<5.15~
5.15~
ubuntu/linux-aws-5.3<5.15~
5.15~
ubuntu/linux-aws-5.4<5.4.0-1099.107~18.04.1
5.4.0-1099.107~18.04.1
ubuntu/linux-aws-5.4<5.15~
5.15~
ubuntu/linux-aws-5.8<5.15~
5.15~
ubuntu/linux-aws-6.5<5.15~
5.15~
ubuntu/linux-aws-fips<5.15~
5.15~
ubuntu/linux-aws-hwe<5.15~
5.15~
ubuntu/linux-aws-hwe<4.15.0-1153.166~16.04.1
4.15.0-1153.166~16.04.1
ubuntu/linux-azure<5.4.0-1105.111
5.4.0-1105.111
ubuntu/linux-azure<4.15.0-1162.177~14.04.1
4.15.0-1162.177~14.04.1
ubuntu/linux-azure<5.15~
5.15~
ubuntu/linux-azure<4.15.0-1162.177~16.04.1
4.15.0-1162.177~16.04.1
ubuntu/linux-azure-4.15<4.15.0-1162.177
4.15.0-1162.177
ubuntu/linux-azure-4.15<5.15~
5.15~
ubuntu/linux-azure-5.11<5.15~
5.15~
ubuntu/linux-azure-5.13<5.15~
5.15~
ubuntu/linux-azure-5.15<5.15~
5.15~
ubuntu/linux-azure-5.3<5.15~
5.15~
ubuntu/linux-azure-5.4<5.4.0-1105.111~18.04.1
5.4.0-1105.111~18.04.1
ubuntu/linux-azure-5.4<5.15~
5.15~
ubuntu/linux-azure-6.5<5.15~
5.15~
ubuntu/linux-azure-edge<5.15~
5.15~
ubuntu/linux-azure-fde<5.4.0-1105.111
5.4.0-1105.111
ubuntu/linux-azure-fde<5.15~
5.15~
ubuntu/linux-azure-fde-5.15<5.15~
5.15~
ubuntu/linux-azure-fips<5.15~
5.15~
ubuntu/linux-bluefield<5.4.0-1060.66
5.4.0-1060.66
ubuntu/linux-bluefield<5.15~
5.15~
ubuntu/linux-dell300x<4.15.0-1062.67
4.15.0-1062.67
ubuntu/linux-dell300x<5.15~
5.15~
ubuntu/linux-fips<5.15~
5.15~
ubuntu/linux-gcp<5.4.0-1102.111
5.4.0-1102.111
ubuntu/linux-gcp<5.15~
5.15~
ubuntu/linux-gcp<4.15.0-1147.163~16.04.1
4.15.0-1147.163~16.04.1
ubuntu/linux-gcp-4.15<4.15.0-1147.163
4.15.0-1147.163
ubuntu/linux-gcp-4.15<5.15~
5.15~
ubuntu/linux-gcp-5.11<5.15~
5.15~
ubuntu/linux-gcp-5.13<5.15~
5.15~
ubuntu/linux-gcp-5.15<5.15~
5.15~
ubuntu/linux-gcp-5.3<5.15~
5.15~
ubuntu/linux-gcp-5.4<5.4.0-1102.111~18.04.2
5.4.0-1102.111~18.04.2
ubuntu/linux-gcp-5.8<5.15~
5.15~
ubuntu/linux-gcp-6.5<5.15~
5.15~
ubuntu/linux-gcp-edge<5.15~
5.15~
ubuntu/linux-gcp-fips<5.15~
5.15~
ubuntu/linux-gke<5.4.0-1096.103
5.4.0-1096.103
ubuntu/linux-gke<5.15~
5.15~
ubuntu/linux-gke-4.15<5.15~
5.15~
ubuntu/linux-gke-5.0<5.15~
5.15~
ubuntu/linux-gke-5.15<5.15~
5.15~
ubuntu/linux-gke-5.3<5.15~
5.15~
ubuntu/linux-gke-5.4<5.15~
5.15~
ubuntu/linux-gkeop<5.4.0-1066.70
5.4.0-1066.70
ubuntu/linux-gkeop<5.15~
5.15~
ubuntu/linux-gkeop-5.15<5.15~
5.15~
ubuntu/linux-gkeop-5.4<5.15~
5.15~
ubuntu/linux-hwe<5.15~
5.15~
ubuntu/linux-hwe<4.15.0-208.219~16.04.1
4.15.0-208.219~16.04.1
ubuntu/linux-hwe-5.11<5.15~
5.15~
ubuntu/linux-hwe-5.13<5.15~
5.15~
ubuntu/linux-hwe-5.15<5.15~
5.15~
ubuntu/linux-hwe-5.4<5.4.0-146.163~18.04.1
5.4.0-146.163~18.04.1
ubuntu/linux-hwe-5.4<5.15~
5.15~
ubuntu/linux-hwe-5.8<5.15~
5.15~
ubuntu/linux-hwe-6.5<5.15~
5.15~
ubuntu/linux-hwe-edge<5.15~
5.15~
ubuntu/linux-ibm<5.4.0-1046.51
5.4.0-1046.51
ubuntu/linux-ibm<5.15~
5.15~
ubuntu/linux-ibm-5.15<5.15~
5.15~
ubuntu/linux-ibm-5.4<5.4.0-1046.51~18.04.1
5.4.0-1046.51~18.04.1
ubuntu/linux-ibm-5.4<5.15~
5.15~
ubuntu/linux-intel<5.15~
5.15~
ubuntu/linux-intel-5.13<5.15~
5.15~
ubuntu/linux-intel-iotg<5.15~
5.15~
ubuntu/linux-intel-iotg-5.15<5.15~
5.15~
ubuntu/linux-iot<5.15~
5.15~
ubuntu/linux-kvm<4.15.0-1137.142
4.15.0-1137.142
ubuntu/linux-kvm<5.4.0-1088.94
5.4.0-1088.94
ubuntu/linux-kvm<5.15~
5.15~
ubuntu/linux-kvm<4.4.0-1118.128
4.4.0-1118.128
ubuntu/linux-laptop<5.15~
5.15~
ubuntu/linux-lowlatency<5.15~
5.15~
ubuntu/linux-lowlatency-hwe-5.15<5.15~
5.15~
ubuntu/linux-lowlatency-hwe-5.19<5.15~
5.15~
ubuntu/linux-lowlatency-hwe-6.5<5.15~
5.15~
ubuntu/linux-lts-xenial<4.4.0-239.273~14.04.1
4.4.0-239.273~14.04.1
ubuntu/linux-lts-xenial<5.15~
5.15~
ubuntu/linux-nvidia<5.15~
5.15~
ubuntu/linux-nvidia-6.5<5.15~
5.15~
ubuntu/linux-oem<5.15~
5.15~
ubuntu/linux-oem-5.10<5.15~
5.15~
ubuntu/linux-oem-5.13<5.15~
5.15~
ubuntu/linux-oem-5.17<5.15~
5.15~
ubuntu/linux-oem-5.6<5.15~
5.15~
ubuntu/linux-oem-6.0<5.15~
5.15~
ubuntu/linux-oem-6.1<5.15~
5.15~
ubuntu/linux-oem-6.5<5.15~
5.15~
ubuntu/linux-oem-6.8<5.15~
5.15~
ubuntu/linux-oem-osp1<5.15~
5.15~
ubuntu/linux-oracle<4.15.0-1116.127
4.15.0-1116.127
ubuntu/linux-oracle<5.4.0-1098.107
5.4.0-1098.107
ubuntu/linux-oracle<5.15~
5.15~
ubuntu/linux-oracle<4.15.0-1116.127~16.04.1
4.15.0-1116.127~16.04.1
ubuntu/linux-oracle-5.0<5.15~
5.15~
ubuntu/linux-oracle-5.11<5.15~
5.15~
ubuntu/linux-oracle-5.13<5.15~
5.15~
ubuntu/linux-oracle-5.15<5.15~
5.15~
ubuntu/linux-oracle-5.3<5.15~
5.15~
ubuntu/linux-oracle-5.4<5.4.0-1098.107~18.04.1
5.4.0-1098.107~18.04.1
ubuntu/linux-oracle-6.5<5.15~
5.15~
ubuntu/linux-raspi<5.4.0-1082.93
5.4.0-1082.93
ubuntu/linux-raspi<5.15~
5.15~
ubuntu/linux-raspi-5.4<5.4.0-1082.93~18.04.1
5.4.0-1082.93~18.04.1
ubuntu/linux-raspi-5.4<5.15~
5.15~
ubuntu/linux-raspi2<4.15.0-1129.137
4.15.0-1129.137
ubuntu/linux-raspi2<5.15~
5.15~
ubuntu/linux-raspi2-5.3<5.15~
5.15~
ubuntu/linux-riscv<5.15~
5.15~
ubuntu/linux-riscv-5.11<5.15~
5.15~
ubuntu/linux-riscv-5.15<5.15~
5.15~
ubuntu/linux-riscv-5.8<5.15~
5.15~
ubuntu/linux-riscv-6.5<5.15~
5.15~
ubuntu/linux-snapdragon<4.15.0-1148.158
4.15.0-1148.158
ubuntu/linux-snapdragon<5.15~
5.15~
ubuntu/linux-starfive<5.15~
5.15~
ubuntu/linux-starfive-6.5<5.15~
5.15~
ubuntu/linux-xilinx-zynqmp<5.4.0-1023.27
5.4.0-1023.27
ubuntu/linux-xilinx-zynqmp<5.15~
5.15~
debian/linux<=5.10.218-1
6.1.94-1
6.1.90-1
6.9.8-1
6.9.9-1

Remedy

Mitigation for this issue is either not available or the currently available options does not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Reference Links

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2024 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203