UBUNTU-CVE-2014-7840

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    UBUNTU-CVE-2014-7840

    Published: 14 Nov 2014Last Modified: 4 Feb 2026
    Upstream:
    CVE-2014-7840
    Aliases:
    USN-2439-1

    Summary:

    Details: The host_from_stream_offset function in arch_init.c in QEMU, when loading RAM during migration, allows remote attackers to execute arbitrary code via a crafted (1) offset or (2) length value in savevm data.

    References: https://ubuntu.com/security/CVE-2014-7840, http://thread.gmane.org/gmane.comp.emulators.qemu/306117, https://ubuntu.com/security/notices/USN-2439-1, https://www.cve.org/CVERecord?id=CVE-2014-7840

    Affected packages

    Package

    Name: qemu

    Purl: pkg:deb/ubuntu/[email protected]+dfsg-2ubuntu1.9?arch=source&distro=trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.0.0+dfsg-2ubuntu1.9

    Affected versions

    1.5.0+dfsg-3ubuntu5
    1.5.0+dfsg-3ubuntu6

    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