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
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
debian/linux<=5.10.223-1
5.10.226-1
6.1.115-1
6.1.112-1
6.11.7-1
6.11.9-1

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.

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Reference Links

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