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openstack-neutron: Routes middleware memory leak for nonexistent controllers

🗓️ 24 Mar 2022 10:59:15Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 4 Views

OpenStack Neutron middleware routes memory leak allows requests to missing controllers, causing memory exhaustion and possible denial of service.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
IBM Security Bulletins		Security Bulletin: Openstack Compute (Neutron) noVNC proxy
8 Jan 202207:01
–ibm
ATTACKERKB		CVE-2021-40797
8 Sep 202120:15
–attackerkb
Circl		CVE-2021-40797
9 Sep 202100:28
–circl
CNNVD		OpenStack 安全漏洞
8 Sep 202100:00
–cnnvd
CVE		CVE-2021-40797
8 Sep 202119:11
–cve
Cvelist		CVE-2021-40797
8 Sep 202119:11
–cvelist
Debian CVE		CVE-2021-40797
8 Sep 202119:11
–debiancve
EUVD		EUVD-2021-0143
7 Oct 202500:30
–euvd
Github Security Blog		OpenStack Neutron Denial of Service vulnerability
24 May 202219:13
–github
NVD		CVE-2021-40797
8 Sep 202120:15
–nvd
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8noarchopenstack-neutron1:15.2.1-1.20220112133420.el8ostopenstack-neutron-1:15.2.1-1.20220112133420.el8ost.noarch.rpm
Red Hat Enterprise Linux8noarchopenstack-neutron-common1:15.2.1-1.20220112133420.el8ostopenstack-neutron-common-1:15.2.1-1.20220112133420.el8ost.noarch.rpm
Red Hat Enterprise Linux8noarchopenstack-neutron-linuxbridge1:15.2.1-1.20220112133420.el8ostopenstack-neutron-linuxbridge-1:15.2.1-1.20220112133420.el8ost.noarch.rpm
Red Hat Enterprise Linux8noarchopenstack-neutron-macvtap-agent1:15.2.1-1.20220112133420.el8ostopenstack-neutron-macvtap-agent-1:15.2.1-1.20220112133420.el8ost.noarch.rpm
Red Hat Enterprise Linux8noarchopenstack-neutron-metering-agent1:15.2.1-1.20220112133420.el8ostopenstack-neutron-metering-agent-1:15.2.1-1.20220112133420.el8ost.noarch.rpm
Red Hat Enterprise Linux8noarchopenstack-neutron-ml21:15.2.1-1.20220112133420.el8ostopenstack-neutron-ml2-1:15.2.1-1.20220112133420.el8ost.noarch.rpm
Red Hat Enterprise Linux8noarchopenstack-neutron-openvswitch1:15.2.1-1.20220112133420.el8ostopenstack-neutron-openvswitch-1:15.2.1-1.20220112133420.el8ost.noarch.rpm
Red Hat Enterprise Linux8noarchopenstack-neutron-rpc-server1:15.2.1-1.20220112133420.el8ostopenstack-neutron-rpc-server-1:15.2.1-1.20220112133420.el8ost.noarch.rpm
Red Hat Enterprise Linux8noarchopenstack-neutron-sriov-nic-agent1:15.2.1-1.20220112133420.el8ostopenstack-neutron-sriov-nic-agent-1:15.2.1-1.20220112133420.el8ost.noarch.rpm
Red Hat Enterprise Linux8noarchpython3-neutron1:15.2.1-1.20220112133420.el8ostpython3-neutron-1:15.2.1-1.20220112133420.el8ost.noarch.rpm
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21 Nov 2025 18:29Current
5.7Medium risk
Vulners AI Score5.7
CVSS 24
CVSS 3.16.5
EPSS0.0176
CWE-770
openstack neutronmemory leakroutes middlewarenonexistent controllersdenial of service
4