CVE Feed

    Dashboard / CVE / CVE-2023-42467

    CVE-2023-42467

    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.

    Published:Sep 11, 2023
    Last Modified:Nov 21, 2024
    EPS:Sep 11, 2023
    EPSS Score:0.00012
    CVSS Score:5.5

    Affected Products

    Vendor
    Qemu
    Product
    Qemu
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    https://gitlab.com/qemu-project/qemu/-/issues/1813https://gitlab.com/qemu-project/qemu/-/issues/1813

    Common Weakness Enumeration

    CWE-369 Divide By Zero

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-6426 (CVSS 4.4) — A type mismatch vulnerability was found in QEMU's vhost inflight migration VMState handling. The destination b…
    CVE-2026-51082 (CVSS 7.2) — A race condition between the vncproxy and vncwebsocket API calls in Proxmox Virtual Environment (PVE) 9.x pve-…
    CVE-2026-3842 (CVSS 7.8) — A flaw was found in QEMU. This vulnerability allows a local attacker within a guest virtual machine to write d…
    CVE-2026-12080 (CVSS 7.3) — A flaw was found in the QEMU Guest Agent (qga). A local unprivileged user can exploit a vulnerability in the g…
    CVE-2026-3195 (CVSS 7.4) — A flaw was found in QEMU. When reading input audio in the virtio-snd device input callback, the `virtio_snd_pc…
    CVE-2026-3196 (CVSS 5.5) — An integer overflow vulnerability was found in the virtio-snd device via PCM_INFO requests from the guest. A m…
    CVE-2025-54566 (CVSS 4.2) — hw/pci/pcie_sriov.c in QEMU through 10.0.3 has a migration state inconsistency, a related issue to CVE-2024-26…
    CVE-2025-54567 (CVSS 4.2) — hw/pci/pcie_sriov.c in QEMU through 10.0.3 mishandles the VF Enable bit write mask, a related issue to CVE-202…
    CVE-2024-6519 (CVSS 8.2) — A use-after-free vulnerability was found in the QEMU LSI53C895A SCSI Host Bus Adapter emulation. This issue ca…
    CVE-2024-8354 (CVSS 5.5) — A flaw was found in QEMU. An assertion failure was present in the usb_ep_get() function in hw/net/core.c when …

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High