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libvirt: NULL pointer dereference after running qemuAgentCommand in qemuAgentGetInterfaces function

🗓️ 06 Aug 2019 13:36:21Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 10 Views

Libvirt NULL pointer dereference during QEMU agent interface query can crash libvirtd and cause denial of service.

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Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux7ppc64libvirt0:4.5.0-23.el7libvirt-0:4.5.0-23.el7.ppc64.rpm
Red Hat Enterprise Linux7ppc64lelibvirt0:4.5.0-23.el7libvirt-0:4.5.0-23.el7.ppc64le.rpm
Red Hat Enterprise Linux7s390xlibvirt0:4.5.0-23.el7libvirt-0:4.5.0-23.el7.s390x.rpm
Red Hat Enterprise Linux7x86_64libvirt0:4.5.0-23.el7libvirt-0:4.5.0-23.el7.x86_64.rpm
Red Hat Enterprise Linux7ppc64libvirt-admin0:4.5.0-23.el7libvirt-admin-0:4.5.0-23.el7.ppc64.rpm
Red Hat Enterprise Linux7ppc64lelibvirt-admin0:4.5.0-23.el7libvirt-admin-0:4.5.0-23.el7.ppc64le.rpm
Red Hat Enterprise Linux7s390xlibvirt-admin0:4.5.0-23.el7libvirt-admin-0:4.5.0-23.el7.s390x.rpm
Red Hat Enterprise Linux7x86_64libvirt-admin0:4.5.0-23.el7libvirt-admin-0:4.5.0-23.el7.x86_64.rpm
Red Hat Enterprise Linux7ppc64libvirt-bash-completion0:4.5.0-23.el7libvirt-bash-completion-0:4.5.0-23.el7.ppc64.rpm
Red Hat Enterprise Linux7ppc64lelibvirt-bash-completion0:4.5.0-23.el7libvirt-bash-completion-0:4.5.0-23.el7.ppc64le.rpm
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25 Jun 2026 10:54Current
7.4High risk
Vulners AI Score7.4
CVSS 23.5
CVSS 35.8 - 6.3
EPSS0.0151
10