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Qemu: virtio: unbounded memory allocation on host via guest leading to DoS

🗓️ 24 Aug 2016 13:10:17Reported by RedHatType 
redhat
 redhat
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QEMU virtio allows unbounded host memory allocation by a malicious guest, causing DoS.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux7x86_64libcacard-rhev10:2.3.0-31.el7_2.21libcacard-rhev-10:2.3.0-31.el7_2.21.x86_64.rpm
Red Hat Enterprise Linux7x86_64libcacard-tools-rhev10:2.3.0-31.el7_2.21libcacard-tools-rhev-10:2.3.0-31.el7_2.21.x86_64.rpm
Red Hat Enterprise Linux7x86_64qemu-img-rhev10:2.3.0-31.el7_2.21qemu-img-rhev-10:2.3.0-31.el7_2.21.x86_64.rpm
Red Hat Enterprise Linux7x86_64qemu-kvm-common-rhev10:2.3.0-31.el7_2.21qemu-kvm-common-rhev-10:2.3.0-31.el7_2.21.x86_64.rpm
Red Hat Enterprise Linux7x86_64qemu-kvm-rhev10:2.3.0-31.el7_2.21qemu-kvm-rhev-10:2.3.0-31.el7_2.21.x86_64.rpm
Red Hat Enterprise Linux7x86_64qemu-kvm-rhev-debuginfo10:2.3.0-31.el7_2.21qemu-kvm-rhev-debuginfo-10:2.3.0-31.el7_2.21.x86_64.rpm
Red Hat Enterprise Linux7x86_64qemu-kvm-tools-rhev10:2.3.0-31.el7_2.21qemu-kvm-tools-rhev-10:2.3.0-31.el7_2.21.x86_64.rpm

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21 Nov 2025 17:57Current
7.3High risk
Vulners AI Score7.3
CVSS 24.9
CVSS 3.15.5
EPSS0.00055
0