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An issue was discovered in QEMU through 5.1.0. An out-of-bounds memory access was found in the ATI VGA device implementation. This flaw occurs in the ati_2d_blt() routine in hw/display/ati_2d.c while handling MMIO write operations through the ati_mm_write() callback. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade qemu | Aug 22, 2024 | Oct 16, 2020 |
| Debian | — | Upgrade qemu | May 15, 2025 | Oct 16, 2020 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Oct 16, 2020 |
| Suse | — | Upgrade qemu-hw-display-virtio-gpuUpgrade qemu-x86Upgrade qemu-extraUpgrade qemu-block-dmgUpgrade qemuUpgrade qemu-linux-userUpgrade qemu-ui-cursesUpgrade qemu-ui-sdlUpgrade qemu-sgabiosUpgrade qemu-audio-paUpgrade qemu-audio-sdlUpgrade qemu-hw-display-qxlUpgrade qemu-microvmUpgrade qemu-block-nfsUpgrade qemu-vgabiosUpgrade qemu-chardev-baumUpgrade qemu-kvmUpgrade qemu-hw-display-virtio-gpu-pciUpgrade qemu-guest-agentUpgrade qemu-block-curlUpgrade qemu-hw-s390x-virtio-gpu-ccwUpgrade qemu-ui-spice-appUpgrade qemu-testsuiteUpgrade qemu-audio-alsaUpgrade qemu-block-glusterUpgrade qemu-ppcUpgrade qemu-block-sshUpgrade qemu-armUpgrade qemu-s390xUpgrade qemu-ipxeUpgrade qemu-vhost-user-gpuUpgrade qemu-toolsUpgrade qemu-skibootUpgrade qemu-ui-spice-coreUpgrade qemu-ui-openglUpgrade qemu-ui-gtkUpgrade qemu-ksmUpgrade qemu-audio-spiceUpgrade qemu-hw-usb-redirectUpgrade qemu-s390Upgrade qemu-chardev-spiceUpgrade qemu-seabiosUpgrade qemu-langUpgrade qemu-hw-display-virtio-vgaUpgrade qemu-block-rbdUpgrade qemu-block-iscsi | Oct 14, 2020 | Oct 7, 2020 |
| Ubuntu | — | No solution exists | Jun 26, 2025 | Oct 16, 2020 |
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