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openvswitch: limitation in the OVS packet parsing in userspace leads to DoS

🗓️ 16 Jun 2021 10:59:58Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 4 Views

Open vSwitch vulnerability in userspace parsing could widen kernel megaflow and cause denial of service.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux7ppc64leopenvswitch2.112.11.3-86.el7fdpopenvswitch2.11-2.11.3-86.el7fdp.ppc64le.rpm
Red Hat Enterprise Linux7x86_64openvswitch2.112.11.3-86.el7fdpopenvswitch2.11-2.11.3-86.el7fdp.x86_64.rpm
Red Hat Enterprise Linux7ppc64leopenvswitch2.11-debuginfo2.11.3-86.el7fdpopenvswitch2.11-debuginfo-2.11.3-86.el7fdp.ppc64le.rpm
Red Hat Enterprise Linux7x86_64openvswitch2.11-debuginfo2.11.3-86.el7fdpopenvswitch2.11-debuginfo-2.11.3-86.el7fdp.x86_64.rpm
Red Hat Enterprise Linux7ppc64leopenvswitch2.11-devel2.11.3-86.el7fdpopenvswitch2.11-devel-2.11.3-86.el7fdp.ppc64le.rpm
Red Hat Enterprise Linux7x86_64openvswitch2.11-devel2.11.3-86.el7fdpopenvswitch2.11-devel-2.11.3-86.el7fdp.x86_64.rpm
Red Hat Enterprise Linux7noarchopenvswitch2.11-test2.11.3-86.el7fdpopenvswitch2.11-test-2.11.3-86.el7fdp.noarch.rpm
Red Hat Enterprise Linux7ppc64lepython-openvswitch2.112.11.3-86.el7fdppython-openvswitch2.11-2.11.3-86.el7fdp.ppc64le.rpm
Red Hat Enterprise Linux7x86_64python-openvswitch2.112.11.3-86.el7fdppython-openvswitch2.11-2.11.3-86.el7fdp.x86_64.rpm

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28 Jun 2026 08:51Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.17.5
CVSS 27.8
EPSS0.08026
SSVC
4