CVE-2018-7550

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    CVE-2018-7550

    Published: 1 Mar 2018Last Modified: 8 Jul 2026

    Summary:

    Details: The load_multiboot function in hw/i386/multiboot.c in Quick Emulator (aka QEMU) allows local guest OS users to execute arbitrary code on the QEMU host via a mh_load_end_addr value greater than mh_bss_end_addr, which triggers an out-of-bounds read or write memory access.

    References: http://www.securityfocus.com/bid/103181, https://access.redhat.com/errata/RHSA-2018:1369, https://access.redhat.com/errata/RHSA-2018:2462, https://github.com/orangecertcc/security-research/security/advisories/GHSA-f49v-45qp-cv53, https://lists.debian.org/debian-lts-announce/2018/04/msg00015.html, https://lists.debian.org/debian-lts-announce/2018/04/msg00016.html, https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html, https://usn.ubuntu.com/3649-1/, https://www.debian.org/security/2018/dsa-4213, https://bugzilla.redhat.com/show_bug.cgi?id=1549798, https://lists.gnu.org/archive/html/qemu-devel/2018-02/msg06890.html

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    v2.11.1
    v2.11.0
    v2.11.0-rc5
    v2.11.0-rc4
    v2.11.0-rc3
    v2.11.0-rc2
    v2.11.0-rc1
    v2.11.0-rc0

    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
    CVE-2018-7550 | CVE-DB