CVE-2023-42467
Fixed in a distro release EPSS <1%
QEMU through 8.0.0 could trigger a division by zero in scsi_disk_reset in hw/scsi/scsi-disk.c because scsi_disk_emulate_mode_select does not prevent s->qdev.blocksize from being 256. This stops QEMU and the guest immediately.
Products: qemu
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| AlmaLinux 9 | qemu-guest-agent | 17:8.2.0-11.el9_4 |
| AlmaLinux 9 | qemu-img | 17:8.2.0-11.el9_4 |
| AlmaLinux 9 | qemu-kvm | 17:8.2.0-11.el9_4 |
| AlmaLinux 9 | qemu-kvm-audio-pa | 17:8.2.0-11.el9_4 |
| AlmaLinux 9 | qemu-kvm-block-blkio | 17:8.2.0-11.el9_4 |
| AlmaLinux 9 | qemu-kvm-block-curl | 17:8.2.0-11.el9_4 |
| AlmaLinux 9 | qemu-kvm-block-rbd | 17:8.2.0-11.el9_4 |
| AlmaLinux 9 | qemu-kvm-common | 17:8.2.0-11.el9_4 |
| AlmaLinux 9 | qemu-kvm-core | 17:8.2.0-11.el9_4 |
| AlmaLinux 9 | qemu-kvm-device-display-virtio-gpu | 17:8.2.0-11.el9_4 |
| AlmaLinux 9 | qemu-kvm-device-display-virtio-gpu-ccw | 17:8.2.0-11.el9_4 |
| AlmaLinux 9 | qemu-kvm-device-display-virtio-gpu-pci | 17:8.2.0-11.el9_4 |
| AlmaLinux 9 | qemu-kvm-device-display-virtio-vga | 17:8.2.0-11.el9_4 |
| AlmaLinux 9 | qemu-kvm-device-usb-host | 17:8.2.0-11.el9_4 |
| AlmaLinux 9 | qemu-kvm-device-usb-redirect | 17:8.2.0-11.el9_4 |
| AlmaLinux 9 | qemu-kvm-docs | 17:8.2.0-11.el9_4 |
| AlmaLinux 9 | qemu-kvm-tools | 17:8.2.0-11.el9_4 |
| AlmaLinux 9 | qemu-kvm-ui-egl-headless | 17:8.2.0-11.el9_4 |
| AlmaLinux 9 | qemu-kvm-ui-opengl | 17:8.2.0-11.el9_4 |
| AlmaLinux 9 | qemu-pr-helper | 17:8.2.0-11.el9_4 |
| Debian 12 | qemu | 1:7.2+dfsg-7+deb12u3 |
| Debian 13 | qemu | 1:8.1.1+ds-1 |
| Debian 14 | qemu | 1:8.1.1+ds-1 |
| Red Hat Enterprise Linux 9 | qemu-guest-agent | 17:8.2.0-11.el9_4 |
| Red Hat Enterprise Linux 9 | qemu-guest-agent-debuginfo | 17:8.2.0-11.el9_4 |
| Red Hat Enterprise Linux 9 | qemu-img | 17:8.2.0-11.el9_4 |
| Red Hat Enterprise Linux 9 | qemu-img-debuginfo | 17:8.2.0-11.el9_4 |
| Red Hat Enterprise Linux 9 | qemu-kvm | 17:8.2.0-11.el9_4 |
| Red Hat Enterprise Linux 9 | qemu-kvm-audio-dbus-debuginfo | 17:8.2.0-11.el9_4 |
| Red Hat Enterprise Linux 9 | qemu-kvm-audio-pa | 17:8.2.0-11.el9_4 |
| Red Hat Enterprise Linux 9 | qemu-kvm-audio-pa-debuginfo | 17:8.2.0-11.el9_4 |
| Red Hat Enterprise Linux 9 | qemu-kvm-block-blkio | 17:8.2.0-11.el9_4 |
| Red Hat Enterprise Linux 9 | qemu-kvm-block-blkio-debuginfo | 17:8.2.0-11.el9_4 |
| Red Hat Enterprise Linux 9 | qemu-kvm-block-curl | 17:8.2.0-11.el9_4 |
| Red Hat Enterprise Linux 9 | qemu-kvm-block-curl-debuginfo | 17:8.2.0-11.el9_4 |
| Red Hat Enterprise Linux 9 | qemu-kvm-block-rbd | 17:8.2.0-11.el9_4 |
| Red Hat Enterprise Linux 9 | qemu-kvm-block-rbd-debuginfo | 17:8.2.0-11.el9_4 |
| Red Hat Enterprise Linux 9 | qemu-kvm-common | 17:8.2.0-11.el9_4 |
| Red Hat Enterprise Linux 9 | qemu-kvm-common-debuginfo | 17:8.2.0-11.el9_4 |
| Red Hat Enterprise Linux 9 | qemu-kvm-core | 17:8.2.0-11.el9_4 |
| Red Hat Enterprise Linux 9 | qemu-kvm-core-debuginfo | 17:8.2.0-11.el9_4 |
| Red Hat Enterprise Linux 9 | qemu-kvm-debuginfo | 17:8.2.0-11.el9_4 |
| Red Hat Enterprise Linux 9 | qemu-kvm-debugsource | 17:8.2.0-11.el9_4 |
| Red Hat Enterprise Linux 9 | qemu-kvm-device-display-virtio-gpu | 17:8.2.0-11.el9_4 |
| Red Hat Enterprise Linux 9 | qemu-kvm-device-display-virtio-gpu-ccw | 17:8.2.0-11.el9_4 |
| Red Hat Enterprise Linux 9 | qemu-kvm-device-display-virtio-gpu-ccw-debuginfo | 17:8.2.0-11.el9_4 |
| Red Hat Enterprise Linux 9 | qemu-kvm-device-display-virtio-gpu-debuginfo | 17:8.2.0-11.el9_4 |
| Red Hat Enterprise Linux 9 | qemu-kvm-device-display-virtio-gpu-pci | 17:8.2.0-11.el9_4 |
| Red Hat Enterprise Linux 9 | qemu-kvm-device-display-virtio-gpu-pci-debuginfo | 17:8.2.0-11.el9_4 |
| Red Hat Enterprise Linux 9 | qemu-kvm-device-display-virtio-vga | 17:8.2.0-11.el9_4 |
| Red Hat Enterprise Linux 9 | qemu-kvm-device-display-virtio-vga-debuginfo | 17:8.2.0-11.el9_4 |
| Red Hat Enterprise Linux 9 | qemu-kvm-device-usb-host | 17:8.2.0-11.el9_4 |
| Red Hat Enterprise Linux 9 | qemu-kvm-device-usb-host-debuginfo | 17:8.2.0-11.el9_4 |
| Red Hat Enterprise Linux 9 | qemu-kvm-device-usb-redirect | 17:8.2.0-11.el9_4 |
| Red Hat Enterprise Linux 9 | qemu-kvm-device-usb-redirect-debuginfo | 17:8.2.0-11.el9_4 |
| Red Hat Enterprise Linux 9 | qemu-kvm-docs | 17:8.2.0-11.el9_4 |
| Red Hat Enterprise Linux 9 | qemu-kvm-tests-debuginfo | 17:8.2.0-11.el9_4 |
| Red Hat Enterprise Linux 9 | qemu-kvm-tools | 17:8.2.0-11.el9_4 |
| Red Hat Enterprise Linux 9 | qemu-kvm-tools-debuginfo | 17:8.2.0-11.el9_4 |
| Red Hat Enterprise Linux 9 | qemu-kvm-ui-dbus-debuginfo | 17:8.2.0-11.el9_4 |
| Red Hat Enterprise Linux 9 | qemu-kvm-ui-egl-headless | 17:8.2.0-11.el9_4 |
| Red Hat Enterprise Linux 9 | qemu-kvm-ui-egl-headless-debuginfo | 17:8.2.0-11.el9_4 |
| Red Hat Enterprise Linux 9 | qemu-kvm-ui-opengl | 17:8.2.0-11.el9_4 |
| Red Hat Enterprise Linux 9 | qemu-kvm-ui-opengl-debuginfo | 17:8.2.0-11.el9_4 |
| Red Hat Enterprise Linux 9 | qemu-pr-helper | 17:8.2.0-11.el9_4 |
| Red Hat Enterprise Linux 9 | qemu-pr-helper-debuginfo | 17:8.2.0-11.el9_4 |
| Rocky Linux 9 | qemu-kvm | 7:8.2.0-11.el9_4 |
| SUSE Linux Enterprise Micro 5.5 | qemu | 7.1.0-150500.49.30.1 |
| Ubuntu 20.04 LTS | qemu | 1:4.2-3ubuntu6.28 |
| Ubuntu 22.04 LTS | qemu | 1:6.2+dfsg-2ubuntu6.16 |
| openSUSE Tumbleweed | qemu | 8.1.2-1.1 |