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    CVE-2016-5403

    The virtqueue_pop function in hw/virtio/virtio.c in QEMU allows local guest OS administrators to cause a denial of service (memory consumption and QEMU process crash) by submitting requests without waiting for completion.

    Published:Jul 27, 2016
    Last Modified:Apr 12, 2025
    EPS:Aug 2, 2016
    EPSS Score:0.00104
    CVSS Score:5.5

    Affected Products

    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Oracle
    Product
    Linux
    Vendor
    Oracle
    Product
    Vm Server
    Vendor
    Qemu
    Product
    Qemu
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Enterprise Linux Desktop
    Vendor
    Redhat
    Product
    Enterprise Linux Server
    Vendor
    Redhat
    Product
    Enterprise Linux Server Aus
    Vendor
    Redhat
    Product
    Enterprise Linux Server Eus
    Vendor
    Redhat
    Product
    Enterprise Linux Server Tus
    Vendor
    Redhat
    Product
    Enterprise Linux Workstation
    Vendor
    Redhat
    Product
    Openstack
    Vendor
    Redhat
    Product
    Rhel Virtualization
    Vendor
    Redhat
    Product
    Virtualization

    Exploits

    No exploit reference

    Related CVEs

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    CVE-2026-47336 (CVSS 3.3) — Ubuntu Linux 6.8 contains SAUCE patches with a possible use of an uninitialized variable in AppArmor AF_INET/A…
    CVE-2026-47335 (CVSS 5.5) — Ubuntu Linux 6.8 contains SAUCE patches with a possible NULL pointer dereference in the handling of AppArmor n…
    CVE-2026-47334 (CVSS 5.5) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly sleep while holding a spinlock…
    CVE-2026-47333 (CVSS 7.8) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which can potentially incorrectly compute the si…
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    References

    http://rhn.redhat.com/errata/RHSA-2016-1585.html
    http://rhn.redhat.com/errata/RHSA-2016-1586.html
    http://rhn.redhat.com/errata/RHSA-2016-1606.html
    http://rhn.redhat.com/errata/RHSA-2016-1607.html
    http://rhn.redhat.com/errata/RHSA-2016-1652.html
    http://rhn.redhat.com/errata/RHSA-2016-1653.html
    http://rhn.redhat.com/errata/RHSA-2016-1654.html
    http://rhn.redhat.com/errata/RHSA-2016-1655.html
    http://rhn.redhat.com/errata/RHSA-2016-1756.html
    http://rhn.redhat.com/errata/RHSA-2016-1763.html
    http://rhn.redhat.com/errata/RHSA-2016-1943.html
    http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
    http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html
    http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
    http://www.securityfocus.com/bid/92148
    http://www.securitytracker.com/id/1036476
    http://www.ubuntu.com/usn/USN-3047-1
    http://www.ubuntu.com/usn/USN-3047-2
    http://xenbits.xen.org/xsa/advisory-184.html
    https://bugzilla.redhat.com/show_bug.cgi?id=1358359
    https://lists.debian.org/debian-lts-announce/2019/09/msg00021.html
    http://rhn.redhat.com/errata/RHSA-2016-1585.html
    http://rhn.redhat.com/errata/RHSA-2016-1586.html
    http://rhn.redhat.com/errata/RHSA-2016-1606.html
    http://rhn.redhat.com/errata/RHSA-2016-1607.html
    http://rhn.redhat.com/errata/RHSA-2016-1652.html
    http://rhn.redhat.com/errata/RHSA-2016-1653.html
    http://rhn.redhat.com/errata/RHSA-2016-1654.html
    http://rhn.redhat.com/errata/RHSA-2016-1655.html
    http://rhn.redhat.com/errata/RHSA-2016-1756.html
    http://rhn.redhat.com/errata/RHSA-2016-1763.html
    http://rhn.redhat.com/errata/RHSA-2016-1943.html
    http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
    http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html
    http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
    http://www.securityfocus.com/bid/92148
    http://www.securitytracker.com/id/1036476
    http://www.ubuntu.com/usn/USN-3047-1
    http://www.ubuntu.com/usn/USN-3047-2
    http://xenbits.xen.org/xsa/advisory-184.html
    https://bugzilla.redhat.com/show_bug.cgi?id=1358359
    https://lists.debian.org/debian-lts-announce/2019/09/msg00021.html

    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