UBUNTU-CVE-2016-6833

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    UBUNTU-CVE-2016-6833

    Published: 18 Aug 2016Last Modified: 4 Feb 2026
    Upstream:
    CVE-2016-6833
    Aliases:
    USN-3125-1

    Summary:

    Details: Use-after-free vulnerability in the vmxnet3_io_bar0_write function in hw/net/vmxnet3.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (QEMU instance crash) by leveraging failure to check if the device is active.

    References: https://ubuntu.com/security/CVE-2016-6833, http://www.openwall.com/lists/oss-security/2016/08/12/1, https://lists.gnu.org/archive/html/qemu-devel/2016-08/msg01602.html, https://ubuntu.com/security/notices/USN-3125-1, https://www.cve.org/CVERecord?id=CVE-2016-6833

    Affected packages

    Package

    Name: qemu

    Purl: pkg:deb/ubuntu/[email protected]+dfsg-2ubuntu1.30?arch=source&distro=trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.0.0+dfsg-2ubuntu1.30

    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
    UBUNTU-CVE-2016-6833 | CVE-DB