CVE-2016-9922

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    CVE-2016-9922

    Published: 27 Mar 2017Last Modified: 8 Jul 2026

    Summary:

    Details: The cirrus_do_copy function in hw/display/cirrus_vga.c in QEMU (aka Quick Emulator), when cirrus graphics mode is VGA, allows local guest OS privileged users to cause a denial of service (divide-by-zero error and QEMU process crash) via vectors involving blit pitch values.

    References: http://git.qemu-project.org/?p=qemu.git%3Ba=commit%3Bh=4299b90e9ba9ce5ca9024572804ba751aa1a7e70, http://www.securityfocus.com/bid/94803, https://access.redhat.com/errata/RHSA-2017:2392, https://access.redhat.com/errata/RHSA-2017:2408, https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html, http://www.openwall.com/lists/oss-security/2016/12/09/1, https://bugzilla.redhat.com/show_bug.cgi?id=1334398, https://lists.gnu.org/archive/html/qemu-devel/2016-12/msg00442.html

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    2.8.0-rc0
    2.8.0-rc1
    2.8.0-rc2

    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