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libvirt: missing locking in nwfilterConnectNumOfNWFilters can lead to denial of service

🗓️ 15 Nov 2022 14:55:33Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 4 Views

Locking flaw in libvirt nwfilter driver allows denial of service via virConnectNumOfNWFilters.

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Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9aarch64libvirt0:8.5.0-7.el9_1libvirt-0:8.5.0-7.el9_1.aarch64.rpm
Red Hat Enterprise Linux9ppc64lelibvirt0:8.5.0-7.el9_1libvirt-0:8.5.0-7.el9_1.ppc64le.rpm
Red Hat Enterprise Linux9s390xlibvirt0:8.5.0-7.el9_1libvirt-0:8.5.0-7.el9_1.s390x.rpm
Red Hat Enterprise Linux9x86_64libvirt0:8.5.0-7.el9_1libvirt-0:8.5.0-7.el9_1.x86_64.rpm
Red Hat Enterprise Linux9aarch64libvirt-client0:8.5.0-7.el9_1libvirt-client-0:8.5.0-7.el9_1.aarch64.rpm
Red Hat Enterprise Linux9ppc64lelibvirt-client0:8.5.0-7.el9_1libvirt-client-0:8.5.0-7.el9_1.ppc64le.rpm
Red Hat Enterprise Linux9s390xlibvirt-client0:8.5.0-7.el9_1libvirt-client-0:8.5.0-7.el9_1.s390x.rpm
Red Hat Enterprise Linux9x86_64libvirt-client0:8.5.0-7.el9_1libvirt-client-0:8.5.0-7.el9_1.x86_64.rpm
Red Hat Enterprise Linux9aarch64libvirt-client-debuginfo0:8.5.0-7.el9_1libvirt-client-debuginfo-0:8.5.0-7.el9_1.aarch64.rpm
Red Hat Enterprise Linux9ppc64lelibvirt-client-debuginfo0:8.5.0-7.el9_1libvirt-client-debuginfo-0:8.5.0-7.el9_1.ppc64le.rpm
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28 Jun 2026 09:11Current
6.4Medium risk
Vulners AI Score6.4
CVSS 24
CVSS 3.14.3
EPSS0.01024
SSVC
4