medium
5.5
CWE
770 400
Advisory Published
CVE 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
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
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
Red Hat Enterprise Linux=6.0
Red Hat Enterprise Linux=7.0
Red Hat 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
Red Hat Enterprise Linux Server=8.6
Redhat Enterprise Linux Server For Power Little Endian Update Services For Sap Solutions=8.6
Red Hat Enterprise Linux Server=8.6
All of
Redhat Codeready Linux Builder
Any of
Red Hat 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
Red Hat OpenShift Container Platform=4.6
Red Hat OpenShift Container Platform=4.7
Red Hat OpenShift Container Platform=4.9
Redhat Virtualization Host=4.0
Red Hat Enterprise Linux=8.0
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
Redhat Codeready Linux Builder
Red Hat 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
Red Hat OpenShift Container Platform=4.6
Red Hat OpenShift Container Platform=4.7
Red Hat OpenShift Container Platform=4.9
Redhat Virtualization Host=4.0
debian/linux<=5.10.223-1
5.10.226-1
6.1.123-1
6.1.119-1
6.12.9-1
6.12.10-1

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.

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