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    CVE-2018-20815

    In QEMU 3.1.0, load_device_tree in device_tree.c calls the deprecated load_image function, which has a buffer overflow risk.

    Published:Dec 14, 2018
    Last Modified:Nov 21, 2024
    EPS:May 31, 2019
    EPSS Score:0.01604
    CVSS Score:9.8

    Affected Products

    Vendor
    Qemu
    Product
    Qemu
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Openstack
    Vendor
    Redhat
    Product
    Rhev Manager

    Exploits

    No exploit reference

    Related CVEs

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    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 …

    References

    https://access.redhat.com/errata/RHSA-2019:1667
    https://access.redhat.com/errata/RHSA-2019:1723
    https://access.redhat.com/errata/RHSA-2019:1743
    https://access.redhat.com/errata/RHSA-2019:1881
    https://access.redhat.com/errata/RHSA-2019:1968
    https://access.redhat.com/errata/RHSA-2019:2507
    https://access.redhat.com/errata/RHSA-2019:2553
    https://git.qemu.org/?p=qemu.git%3Ba=commitdiff%3Bh=da885fe1ee8b4589047484bd7fa05a4905b52b17
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BOE3PVFPMWMXV3DGP2R3XIHAF2ZQU3FS/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RVDHJB2QKXNDU7OFXIHIL5O5VN5QCSZL/
    https://seclists.org/bugtraq/2019/Aug/41
    https://www.debian.org/security/2019/dsa-4506
    https://access.redhat.com/errata/RHSA-2019:1667
    https://access.redhat.com/errata/RHSA-2019:1723
    https://access.redhat.com/errata/RHSA-2019:1743
    https://access.redhat.com/errata/RHSA-2019:1881
    https://access.redhat.com/errata/RHSA-2019:1968
    https://access.redhat.com/errata/RHSA-2019:2507
    https://access.redhat.com/errata/RHSA-2019:2553
    https://git.qemu.org/?p=qemu.git%3Ba=commitdiff%3Bh=da885fe1ee8b4589047484bd7fa05a4905b52b17
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BOE3PVFPMWMXV3DGP2R3XIHAF2ZQU3FS/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RVDHJB2QKXNDU7OFXIHIL5O5VN5QCSZL/
    https://seclists.org/bugtraq/2019/Aug/41
    https://www.debian.org/security/2019/dsa-4506

    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