vulnerability
Red Hat: CVE-2023-42467: QEMU: am53c974: denial of service due to division by zero (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 1 | (AV:L/AC:L/Au:M/C:N/I:N/A:P) | 09/11/2023 | 05/01/2024 | 03/17/2025 |
Severity
1
CVSS
(AV:L/AC:L/Au:M/C:N/I:N/A:P)
Published
09/11/2023
Added
05/01/2024
Modified
03/17/2025
Description
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.
Solution(s)
redhat-upgrade-qemu-guest-agentredhat-upgrade-qemu-guest-agent-debuginforedhat-upgrade-qemu-imgredhat-upgrade-qemu-img-debuginforedhat-upgrade-qemu-kvmredhat-upgrade-qemu-kvm-audio-dbus-debuginforedhat-upgrade-qemu-kvm-audio-paredhat-upgrade-qemu-kvm-audio-pa-debuginforedhat-upgrade-qemu-kvm-block-blkioredhat-upgrade-qemu-kvm-block-blkio-debuginforedhat-upgrade-qemu-kvm-block-curlredhat-upgrade-qemu-kvm-block-curl-debuginforedhat-upgrade-qemu-kvm-block-rbdredhat-upgrade-qemu-kvm-block-rbd-debuginforedhat-upgrade-qemu-kvm-commonredhat-upgrade-qemu-kvm-common-debuginforedhat-upgrade-qemu-kvm-coreredhat-upgrade-qemu-kvm-core-debuginforedhat-upgrade-qemu-kvm-debuginforedhat-upgrade-qemu-kvm-debugsourceredhat-upgrade-qemu-kvm-device-display-virtio-gpuredhat-upgrade-qemu-kvm-device-display-virtio-gpu-ccwredhat-upgrade-qemu-kvm-device-display-virtio-gpu-ccw-debuginforedhat-upgrade-qemu-kvm-device-display-virtio-gpu-debuginforedhat-upgrade-qemu-kvm-device-display-virtio-gpu-pciredhat-upgrade-qemu-kvm-device-display-virtio-gpu-pci-debuginforedhat-upgrade-qemu-kvm-device-display-virtio-vgaredhat-upgrade-qemu-kvm-device-display-virtio-vga-debuginforedhat-upgrade-qemu-kvm-device-usb-hostredhat-upgrade-qemu-kvm-device-usb-host-debuginforedhat-upgrade-qemu-kvm-device-usb-redirectredhat-upgrade-qemu-kvm-device-usb-redirect-debuginforedhat-upgrade-qemu-kvm-docsredhat-upgrade-qemu-kvm-tests-debuginforedhat-upgrade-qemu-kvm-toolsredhat-upgrade-qemu-kvm-tools-debuginforedhat-upgrade-qemu-kvm-ui-dbus-debuginforedhat-upgrade-qemu-kvm-ui-egl-headlessredhat-upgrade-qemu-kvm-ui-egl-headless-debuginforedhat-upgrade-qemu-kvm-ui-openglredhat-upgrade-qemu-kvm-ui-opengl-debuginforedhat-upgrade-qemu-pr-helperredhat-upgrade-qemu-pr-helper-debuginfo
References
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