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qmp_guest_file_read in qga/commands-posix.c and qga/commands-win32.c in qemu-ga (aka QEMU Guest Agent) in QEMU 2.12.50 has an integer overflow causing a g_malloc0() call to trigger a segmentation fault when trying to allocate a large memory chunk. The vulnerability can be exploited by sending a crafted QMP command (including guest-file-read with a large count value) to the agent via the listening socket.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade qemu | Mar 12, 2019 | Jun 21, 2018 |
| Huawei Euleros 2_0_sp2 | — | Upgrade qemu-kvmUpgrade qemu-imgUpgrade qemu-kvm-common | Jun 17, 2020 | Jun 21, 2018 |
| Huawei Euleros 2_0_sp5 | — | Upgrade qemu-kvmUpgrade qemu-kvm-commonUpgrade qemu-img | Sep 24, 2019 | Jun 21, 2018 |
| Oracle_linux | — | Upgrade qemu-imgUpgrade qemu-system-aarch64Upgrade qemuUpgrade qemu-kvm-coreUpgrade qemu-kvmUpgrade qemu-commonUpgrade qemu-system-x86Upgrade qemu-system-x86-coreUpgrade qemu-block-rbdUpgrade qemu-block-glusterUpgrade ivshmem-toolsUpgrade qemu-block-iscsiUpgrade qemu-system-aarch64-core | Oct 30, 2018 | Jun 22, 2018 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Jun 21, 2018 |
| Suse | — | Upgrade qemu-block-curlUpgrade xen-toolsUpgrade qemu-block-sshUpgrade xen-kmp-paeUpgrade qemu-vgabiosUpgrade qemu-audio-paUpgrade qemu-block-glusterUpgrade qemu-ppcUpgrade qemu-hw-s390x-virtio-gpu-ccwUpgrade qemu-skibootUpgrade qemu-ui-gtkUpgrade qemu-audio-ossUpgrade qemu-audio-alsaUpgrade qemu-ksmUpgrade qemu-langUpgrade xen-develUpgrade qemu-seabiosUpgrade qemu-ui-spice-appUpgrade qemu-block-iscsiUpgrade xenUpgrade qemu-hw-usb-redirectUpgrade qemu-testsuiteUpgrade qemu-toolsUpgrade qemu-ui-spice-coreUpgrade qemu-microvmUpgrade qemu-kvmUpgrade qemu-hw-display-virtio-gpu-pciUpgrade qemu-block-rbdUpgrade qemu-guest-agentUpgrade qemu-linux-userUpgrade qemu-hw-display-virtio-vgaUpgrade qemu-ipxeUpgrade xen-tools-domUUpgrade xen-libsUpgrade xen-doc-htmlUpgrade qemuUpgrade qemu-x86Upgrade qemu-ui-cursesUpgrade qemu-ui-openglUpgrade xen-libs-32bitUpgrade kvmUpgrade xen-kmp-defaultUpgrade qemu-audio-spiceUpgrade qemu-block-dmgUpgrade qemu-hw-display-qxlUpgrade qemu-chardev-baumUpgrade qemu-hw-display-virtio-gpuUpgrade qemu-s390Upgrade qemu-armUpgrade qemu-extraUpgrade qemu-chardev-spiceUpgrade qemu-sgabiosUpgrade qemu-s390xUpgrade xen-doc-pdf | Jul 24, 2018 | Jun 21, 2018 |
| Ubuntu | — | Upgrade qemu-system-armUpgrade qemu-system-mipsUpgrade qemu-system-x86Upgrade qemu-system-sparcUpgrade qemu-systemUpgrade qemu-system-ppcUpgrade qemu-system-aarch64Upgrade qemu-system-miscUpgrade qemu-system-s390x | Nov 30, 2018 | Jun 21, 2018 |
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