Upstream information

CVE-2016-9923 at MITRE

Description

Quick Emulator (Qemu) built with the 'chardev' backend support is vulnerable to a use after free issue. It could occur while hotplug and unplugging the device in the guest. A guest user/process could use this flaw to crash a Qemu process on the host resulting in DoS.

SUSE information

Overall state of this security issue: Ignore

This issue is currently rated as having moderate severity.

CVSS v2 Scores
  National Vulnerability Database SUSE
Base Score 2.1 1.5
Vector AV:L/AC:L/Au:N/C:N/I:N/A:P AV:L/AC:M/Au:S/C:N/I:N/A:P
Access Vector Local Local
Access Complexity Low Medium
Authentication None Single
Confidentiality Impact None None
Integrity Impact None None
Availability Impact Partial Partial
CVSS v3 Scores
  National Vulnerability Database
Base Score 6.5
Vector CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Access Vector Local
Access Complexity Low
Privileges Required Low
User Interaction None
Scope Changed
Confidentiality Impact None
Integrity Impact None
Availability Impact High
CVSSv3 Version 3

Note from the SUSE Security Team

Due to difficulty of the backport and the resulting risk of introducing regressions we are currently not planning to backport the change.

SUSE Bugzilla entries: 1014703 [RESOLVED / WONTFIX], 1015145 [RESOLVED / DUPLICATE], 1015148 [RESOLVED / INVALID], 1015154 [RESOLVED / DUPLICATE]

No SUSE Security Announcements cross referenced.

List of released packages

Product(s) Fixed package version(s) References
SUSE Linux Enterprise Desktop 12 SP3
  • qemu >= 2.9.0-5.10
  • qemu-block-curl >= 2.9.0-5.10
  • qemu-ipxe >= 1.0.0-5.10
  • qemu-kvm >= 2.9.0-5.10
  • qemu-seabios >= 1.10.2-5.10
  • qemu-sgabios >= 8-5.10
  • qemu-tools >= 2.9.0-5.10
  • qemu-vgabios >= 1.10.2-5.10
  • qemu-x86 >= 2.9.0-5.10
SUSE Linux Enterprise Desktop 12 SP4
  • qemu >= 2.11.2-4.14
  • qemu-block-curl >= 2.11.2-4.14
  • qemu-ipxe >= 1.0.0-4.14
  • qemu-kvm >= 2.11.2-4.14
  • qemu-seabios >= 1.11.0-4.14
  • qemu-sgabios >= 8-4.14
  • qemu-tools >= 2.11.2-4.14
  • qemu-vgabios >= 1.11.0-4.14
  • qemu-x86 >= 2.11.2-4.14
SUSE Linux Enterprise High Performance Computing 12 SP5
  • qemu >= 3.1.1.1-1.1
  • qemu-arm >= 3.1.1.1-1.1
  • qemu-block-curl >= 3.1.1.1-1.1
  • qemu-block-iscsi >= 3.1.1.1-1.1
  • qemu-block-rbd >= 3.1.1.1-1.1
  • qemu-block-ssh >= 3.1.1.1-1.1
  • qemu-guest-agent >= 3.1.1.1-1.1
  • qemu-ipxe >= 1.0.0+-1.1
  • qemu-kvm >= 3.1.1.1-1.1
  • qemu-lang >= 3.1.1.1-1.1
  • qemu-seabios >= 1.12.0-1.1
  • qemu-sgabios >= 8-1.1
  • qemu-tools >= 3.1.1.1-1.1
  • qemu-vgabios >= 1.12.0-1.1
  • qemu-x86 >= 3.1.1.1-1.1
SUSE Linux Enterprise Module for Basesystem 15 SP1
  • qemu-tools >= 3.1.0-7.1
SUSE Linux Enterprise Module for Basesystem 15 SP2
  • qemu-tools >= 4.2.0-9.4
SUSE Linux Enterprise Module for Basesystem 15 SP3
  • qemu-tools >= 5.2.0-9.18
SUSE Linux Enterprise Module for Basesystem 15
  • qemu-tools >= 2.11.1-7.5
SUSE Linux Enterprise Module for Server Applications 15 SP1
  • qemu >= 3.1.0-7.1
  • qemu-audio-alsa >= 3.1.0-7.1
  • qemu-audio-oss >= 3.1.0-7.1
  • qemu-audio-pa >= 3.1.0-7.1
  • qemu-block-curl >= 3.1.0-7.1
  • qemu-block-iscsi >= 3.1.0-7.1
  • qemu-block-rbd >= 3.1.0-7.1
  • qemu-block-ssh >= 3.1.0-7.1
  • qemu-guest-agent >= 3.1.0-7.1
  • qemu-ipxe >= 1.0.0+-7.1
  • qemu-kvm >= 3.1.0-7.1
  • qemu-lang >= 3.1.0-7.1
  • qemu-ppc >= 3.1.0-7.1
  • qemu-s390 >= 3.1.0-7.1
  • qemu-seabios >= 1.12.0-7.1
  • qemu-sgabios >= 8-7.1
  • qemu-ui-curses >= 3.1.0-7.1
  • qemu-ui-gtk >= 3.1.0-7.1
  • qemu-vgabios >= 1.12.0-7.1
  • qemu-x86 >= 3.1.0-7.1
SUSE Linux Enterprise Module for Server Applications 15 SP2
  • qemu >= 4.2.0-9.4
  • qemu-arm >= 4.2.0-9.4
  • qemu-audio-alsa >= 4.2.0-9.4
  • qemu-audio-oss >= 3.1.1.1-9.21.4
  • qemu-audio-pa >= 4.2.0-9.4
  • qemu-block-curl >= 4.2.0-9.4
  • qemu-block-iscsi >= 4.2.0-9.4
  • qemu-block-rbd >= 4.2.0-9.4
  • qemu-block-ssh >= 4.2.0-9.4
  • qemu-guest-agent >= 4.2.0-9.4
  • qemu-ipxe >= 1.0.0+-9.4
  • qemu-kvm >= 4.2.0-9.4
  • qemu-lang >= 4.2.0-9.4
  • qemu-microvm >= 4.2.0-9.4
  • qemu-ppc >= 4.2.0-9.4
  • qemu-s390 >= 4.2.0-9.4
  • qemu-seabios >= 1.12.1+-9.4
  • qemu-sgabios >= 8-9.4
  • qemu-ui-curses >= 4.2.0-9.4
  • qemu-ui-gtk >= 4.2.0-9.4
  • qemu-ui-spice-app >= 4.2.0-9.4
  • qemu-vgabios >= 1.12.1+-9.4
  • qemu-x86 >= 4.2.0-9.4
SUSE Linux Enterprise Module for Server Applications 15 SP3
  • qemu >= 5.2.0-9.18
  • qemu-arm >= 5.2.0-9.18
  • qemu-audio-alsa >= 5.2.0-9.18
  • qemu-audio-pa >= 5.2.0-9.18
  • qemu-audio-spice >= 5.2.0-9.18
  • qemu-block-curl >= 5.2.0-9.18
  • qemu-block-iscsi >= 5.2.0-9.18
  • qemu-block-rbd >= 5.2.0-9.18
  • qemu-block-ssh >= 5.2.0-9.18
  • qemu-chardev-baum >= 5.2.0-9.18
  • qemu-chardev-spice >= 5.2.0-9.18
  • qemu-guest-agent >= 5.2.0-9.18
  • qemu-hw-display-qxl >= 5.2.0-9.18
  • qemu-hw-display-virtio-gpu >= 5.2.0-9.18
  • qemu-hw-display-virtio-gpu-pci >= 5.2.0-9.18
  • qemu-hw-display-virtio-vga >= 5.2.0-9.18
  • qemu-hw-s390x-virtio-gpu-ccw >= 5.2.0-9.18
  • qemu-hw-usb-redirect >= 5.2.0-9.18
  • qemu-ipxe >= 1.0.0+-9.18
  • qemu-ksm >= 5.2.0-9.18
  • qemu-kvm >= 5.2.0-9.18
  • qemu-lang >= 5.2.0-9.18
  • qemu-ppc >= 5.2.0-9.18
  • qemu-s390x >= 5.2.0-9.18
  • qemu-seabios >= 1.14.0_0_g155821a-9.18
  • qemu-sgabios >= 8-9.18
  • qemu-skiboot >= 5.2.0-9.18
  • qemu-ui-curses >= 5.2.0-9.18
  • qemu-ui-gtk >= 5.2.0-9.18
  • qemu-ui-opengl >= 5.2.0-9.18
  • qemu-ui-spice-app >= 5.2.0-9.18
  • qemu-ui-spice-core >= 5.2.0-9.18
  • qemu-vgabios >= 1.14.0_0_g155821a-9.18
  • qemu-x86 >= 5.2.0-9.18
SUSE Linux Enterprise Module for Server Applications 15
  • qemu >= 2.11.1-7.5
  • qemu-block-curl >= 2.11.1-7.5
  • qemu-block-iscsi >= 2.11.1-7.5
  • qemu-block-rbd >= 2.11.1-7.5
  • qemu-block-ssh >= 2.11.1-7.5
  • qemu-guest-agent >= 2.11.1-7.5
  • qemu-ipxe >= 1.0.0-7.5
  • qemu-kvm >= 2.11.1-7.5
  • qemu-lang >= 2.11.1-7.5
  • qemu-seabios >= 1.11.0-7.5
  • qemu-sgabios >= 8-7.5
  • qemu-vgabios >= 1.11.0-7.5
  • qemu-x86 >= 2.11.1-7.5
SUSE Linux Enterprise Server 12 SP3
  • qemu >= 2.9.0-5.10
  • qemu-arm >= 2.9.0-5.10
  • qemu-block-curl >= 2.9.0-5.10
  • qemu-block-rbd >= 2.9.0-5.10
  • qemu-block-ssh >= 2.9.0-5.10
  • qemu-guest-agent >= 2.9.0-5.10
  • qemu-ipxe >= 1.0.0-5.10
  • qemu-kvm >= 2.9.0-5.10
  • qemu-lang >= 2.9.0-5.10
  • qemu-ppc >= 2.9.0-5.10
  • qemu-s390 >= 2.9.0-5.10
  • qemu-seabios >= 1.10.2-5.10
  • qemu-sgabios >= 8-5.10
  • qemu-tools >= 2.9.0-5.10
  • qemu-vgabios >= 1.10.2-5.10
  • qemu-x86 >= 2.9.0-5.10
SUSE Linux Enterprise Server 12 SP4
  • qemu >= 2.11.2-4.14
  • qemu-arm >= 2.11.2-4.14
  • qemu-block-curl >= 2.11.2-4.14
  • qemu-block-iscsi >= 2.11.2-4.14
  • qemu-block-rbd >= 2.11.2-4.14
  • qemu-block-ssh >= 2.11.2-4.14
  • qemu-guest-agent >= 2.11.2-4.14
  • qemu-ipxe >= 1.0.0-4.14
  • qemu-kvm >= 2.11.2-4.14
  • qemu-lang >= 2.11.2-4.14
  • qemu-ppc >= 2.11.2-4.14
  • qemu-s390 >= 2.11.2-4.14
  • qemu-seabios >= 1.11.0-4.14
  • qemu-sgabios >= 8-4.14
  • qemu-tools >= 2.11.2-4.14
  • qemu-vgabios >= 1.11.0-4.14
  • qemu-x86 >= 2.11.2-4.14
SUSE Linux Enterprise Server 12 SP5
  • qemu >= 3.1.1.1-1.1
  • qemu-arm >= 3.1.1.1-1.1
  • qemu-block-curl >= 3.1.1.1-1.1
  • qemu-block-iscsi >= 3.1.1.1-1.1
  • qemu-block-rbd >= 3.1.1.1-1.1
  • qemu-block-ssh >= 3.1.1.1-1.1
  • qemu-guest-agent >= 3.1.1.1-1.1
  • qemu-ipxe >= 1.0.0+-1.1
  • qemu-kvm >= 3.1.1.1-1.1
  • qemu-lang >= 3.1.1.1-1.1
  • qemu-ppc >= 3.1.1.1-1.1
  • qemu-s390 >= 3.1.1.1-1.1
  • qemu-seabios >= 1.12.0-1.1
  • qemu-sgabios >= 8-1.1
  • qemu-tools >= 3.1.1.1-1.1
  • qemu-vgabios >= 1.12.0-1.1
  • qemu-x86 >= 3.1.1.1-1.1
openSUSE Leap 15.0
  • qemu >= 2.11.1-lp150.6.7
  • qemu-block-curl >= 2.11.1-lp150.6.7
  • qemu-block-rbd >= 2.11.1-lp150.6.7
  • qemu-block-ssh >= 2.11.1-lp150.6.7
  • qemu-guest-agent >= 2.11.1-lp150.6.7
  • qemu-ipxe >= 1.0.0-lp150.6.7
  • qemu-ksm >= 2.11.1-lp150.6.7
  • qemu-seabios >= 1.11.0-lp150.6.7
  • qemu-sgabios >= 8-lp150.6.7
  • qemu-tools >= 2.11.1-lp150.6.7
  • qemu-vgabios >= 1.11.0-lp150.6.7
  • qemu-x86 >= 2.11.1-lp150.6.7
Patchnames:
openSUSE Leap 15.0 GA qemu-2.11.1-lp150.6.7


Status of this issue by product and package

Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification.

Product(s) Source package State
HPE Helion OpenStack 8 qemu Already fixed
SUSE Container as a Service Platform 1.0 qemu Affected
SUSE Container as a Service Platform 1.0 xen Affected
SUSE Container as a Service Platform 2.0 qemu Ignore
SUSE Container as a Service Platform 2.0 xen Ignore
SUSE Linux Enterprise Desktop 12 SP2 qemu Affected
SUSE Linux Enterprise Desktop 12 SP2 xen Affected
SUSE Linux Enterprise Desktop 12 SP3 qemu Ignore
SUSE Linux Enterprise Desktop 12 SP3 xen Ignore
SUSE Linux Enterprise Point of Service 11 SP3 qemu Ignore
SUSE Linux Enterprise Server 11 SP3 LTSS kvm Ignore
SUSE Linux Enterprise Server 11 SP4 kvm Ignore
SUSE Linux Enterprise Server 11 SP4 xen Ignore
SUSE Linux Enterprise Server 12 SP2 qemu Ignore
SUSE Linux Enterprise Server 12 SP2 xen Ignore
SUSE Linux Enterprise Server 12 SP3 qemu Ignore
SUSE Linux Enterprise Server 12 SP3 xen Ignore
SUSE Linux Enterprise Server 12 SP3 BCL qemu Already fixed
SUSE Linux Enterprise Server 12 SP3 ESPOS qemu Already fixed
SUSE Linux Enterprise Server 12 SP3 LTSS qemu Already fixed
SUSE Linux Enterprise Server for SAP Applications 12 SP3 qemu Already fixed
SUSE Linux Enterprise Software Development Kit 11 SP4 qemu Ignore
SUSE Linux Enterprise Software Development Kit 11 SP4 xen Ignore
SUSE Linux Enterprise Software Development Kit 12 xen Ignore
SUSE Linux Enterprise Software Development Kit 12 SP3 xen Ignore
SUSE OpenStack Cloud 8 qemu Already fixed
SUSE OpenStack Cloud Crowbar 8 qemu Already fixed
SUSE Studio Onsite qemu Ignore