Security update for qemu

Announcement ID: SUSE-SU-2018:1378-1
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2018-3639 ( SUSE ): 4.3 CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N
  • CVE-2018-3639 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
  • CVE-2018-3639 ( NVD ): 5.5 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Affected Products:
  • SUSE Container as a Service Platform 1.0
  • SUSE Container as a Service Platform 2.0
  • SUSE Linux Enterprise Desktop 12 SP3
  • SUSE Linux Enterprise High Performance Computing 12 SP3
  • SUSE Linux Enterprise Server 12 SP3
  • SUSE Linux Enterprise Server for SAP Applications 12 SP3

An update that solves one vulnerability and has one security fix can now be installed.

Description:

This update for qemu fixes several issues.

This security issue was fixed:

  • CVE-2018-3639: Spectre v4 vulnerability mitigation support for KVM guests (bsc#1092885).

Systems with microprocessors utilizing speculative execution and speculative execution of memory reads before the addresses of all prior memory writes are known may allow unauthorized disclosure of information to an attacker with local user access via a side-channel analysis.

This patch permits the new x86 cpu feature flag named "ssbd" to be presented to the guest, given that the host has this feature, and KVM exposes it to the guest as well.

For this feature to be enabled please use the qemu commandline -cpu $MODEL,+spec-ctrl,+ssbd so the guest OS can take advantage of the feature.

spec-ctrl and ssbd support is also required in the host.

This non-security issue was fixed:

  • bsc#1070615: Add new look up path "sys/class/tpm" for tpm cancel path

Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:

  • SUSE Linux Enterprise Desktop 12 SP3
    zypper in -t patch SUSE-SLE-DESKTOP-12-SP3-2018-951=1
  • SUSE Linux Enterprise Server 12 SP3
    zypper in -t patch SUSE-SLE-SERVER-12-SP3-2018-951=1
  • SUSE Linux Enterprise High Performance Computing 12 SP3
    zypper in -t patch SUSE-SLE-SERVER-12-SP3-2018-951=1
  • SUSE Linux Enterprise Server for SAP Applications 12 SP3
    zypper in -t patch SUSE-SLE-SERVER-12-SP3-2018-951=1
  • SUSE Container as a Service Platform 2.0
    To install this update, use the SUSE CaaS Platform 'skuba' tool. It will inform you if it detects new updates and let you then trigger updating of the complete cluster in a controlled way.
  • SUSE Container as a Service Platform 1.0
    To install this update, use the SUSE CaaS Platform 'skuba' tool. It will inform you if it detects new updates and let you then trigger updating of the complete cluster in a controlled way.

Package List:

  • SUSE Linux Enterprise Desktop 12 SP3 (x86_64)
    • qemu-kvm-2.9.1-6.16.1
    • qemu-block-curl-2.9.1-6.16.1
    • qemu-debugsource-2.9.1-6.16.1
    • qemu-2.9.1-6.16.1
    • qemu-block-curl-debuginfo-2.9.1-6.16.1
    • qemu-tools-2.9.1-6.16.1
    • qemu-x86-2.9.1-6.16.1
    • qemu-tools-debuginfo-2.9.1-6.16.1
  • SUSE Linux Enterprise Desktop 12 SP3 (noarch)
    • qemu-vgabios-1.10.2-6.16.1
    • qemu-sgabios-8-6.16.1
    • qemu-ipxe-1.0.0-6.16.1
    • qemu-seabios-1.10.2-6.16.1
  • SUSE Linux Enterprise Server 12 SP3 (aarch64 ppc64le s390x x86_64)
    • qemu-block-curl-2.9.1-6.16.1
    • qemu-debugsource-2.9.1-6.16.1
    • qemu-block-iscsi-2.9.1-6.16.1
    • qemu-2.9.1-6.16.1
    • qemu-guest-agent-2.9.1-6.16.1
    • qemu-block-curl-debuginfo-2.9.1-6.16.1
    • qemu-lang-2.9.1-6.16.1
    • qemu-tools-2.9.1-6.16.1
    • qemu-block-iscsi-debuginfo-2.9.1-6.16.1
    • qemu-guest-agent-debuginfo-2.9.1-6.16.1
    • qemu-tools-debuginfo-2.9.1-6.16.1
    • qemu-block-ssh-debuginfo-2.9.1-6.16.1
    • qemu-block-ssh-2.9.1-6.16.1
  • SUSE Linux Enterprise Server 12 SP3 (aarch64)
    • qemu-arm-2.9.1-6.16.1
    • qemu-arm-debuginfo-2.9.1-6.16.1
  • SUSE Linux Enterprise Server 12 SP3 (aarch64 x86_64)
    • qemu-block-rbd-2.9.1-6.16.1
    • qemu-block-rbd-debuginfo-2.9.1-6.16.1
  • SUSE Linux Enterprise Server 12 SP3 (noarch)
    • qemu-vgabios-1.10.2-6.16.1
    • qemu-sgabios-8-6.16.1
    • qemu-ipxe-1.0.0-6.16.1
    • qemu-seabios-1.10.2-6.16.1
  • SUSE Linux Enterprise Server 12 SP3 (ppc64le)
    • qemu-ppc-2.9.1-6.16.1
    • qemu-ppc-debuginfo-2.9.1-6.16.1
  • SUSE Linux Enterprise Server 12 SP3 (s390x x86_64)
    • qemu-kvm-2.9.1-6.16.1
  • SUSE Linux Enterprise Server 12 SP3 (s390x)
    • qemu-s390-2.9.1-6.16.1
    • qemu-s390-debuginfo-2.9.1-6.16.1
  • SUSE Linux Enterprise Server 12 SP3 (x86_64)
    • qemu-x86-debuginfo-2.9.1-6.16.1
    • qemu-x86-2.9.1-6.16.1
  • SUSE Linux Enterprise High Performance Computing 12 SP3 (aarch64 x86_64)
    • qemu-block-curl-2.9.1-6.16.1
    • qemu-debugsource-2.9.1-6.16.1
    • qemu-block-iscsi-2.9.1-6.16.1
    • qemu-2.9.1-6.16.1
    • qemu-block-ssh-debuginfo-2.9.1-6.16.1
    • qemu-guest-agent-2.9.1-6.16.1
    • qemu-block-curl-debuginfo-2.9.1-6.16.1
    • qemu-lang-2.9.1-6.16.1
    • qemu-block-rbd-debuginfo-2.9.1-6.16.1
    • qemu-tools-2.9.1-6.16.1
    • qemu-block-iscsi-debuginfo-2.9.1-6.16.1
    • qemu-guest-agent-debuginfo-2.9.1-6.16.1
    • qemu-tools-debuginfo-2.9.1-6.16.1
    • qemu-block-rbd-2.9.1-6.16.1
    • qemu-block-ssh-2.9.1-6.16.1
  • SUSE Linux Enterprise High Performance Computing 12 SP3 (aarch64)
    • qemu-arm-2.9.1-6.16.1
    • qemu-arm-debuginfo-2.9.1-6.16.1
  • SUSE Linux Enterprise High Performance Computing 12 SP3 (noarch)
    • qemu-vgabios-1.10.2-6.16.1
    • qemu-sgabios-8-6.16.1
    • qemu-ipxe-1.0.0-6.16.1
    • qemu-seabios-1.10.2-6.16.1
  • SUSE Linux Enterprise High Performance Computing 12 SP3 (x86_64)
    • qemu-kvm-2.9.1-6.16.1
    • qemu-x86-debuginfo-2.9.1-6.16.1
    • qemu-x86-2.9.1-6.16.1
  • SUSE Linux Enterprise Server for SAP Applications 12 SP3 (ppc64le x86_64)
    • qemu-block-curl-2.9.1-6.16.1
    • qemu-debugsource-2.9.1-6.16.1
    • qemu-block-iscsi-2.9.1-6.16.1
    • qemu-2.9.1-6.16.1
    • qemu-guest-agent-2.9.1-6.16.1
    • qemu-block-curl-debuginfo-2.9.1-6.16.1
    • qemu-lang-2.9.1-6.16.1
    • qemu-tools-2.9.1-6.16.1
    • qemu-block-iscsi-debuginfo-2.9.1-6.16.1
    • qemu-guest-agent-debuginfo-2.9.1-6.16.1
    • qemu-tools-debuginfo-2.9.1-6.16.1
    • qemu-block-ssh-debuginfo-2.9.1-6.16.1
    • qemu-block-ssh-2.9.1-6.16.1
  • SUSE Linux Enterprise Server for SAP Applications 12 SP3 (noarch)
    • qemu-vgabios-1.10.2-6.16.1
    • qemu-sgabios-8-6.16.1
    • qemu-ipxe-1.0.0-6.16.1
    • qemu-seabios-1.10.2-6.16.1
  • SUSE Linux Enterprise Server for SAP Applications 12 SP3 (ppc64le)
    • qemu-ppc-2.9.1-6.16.1
    • qemu-ppc-debuginfo-2.9.1-6.16.1
  • SUSE Linux Enterprise Server for SAP Applications 12 SP3 (x86_64)
    • qemu-kvm-2.9.1-6.16.1
    • qemu-block-rbd-debuginfo-2.9.1-6.16.1
    • qemu-x86-debuginfo-2.9.1-6.16.1
    • qemu-x86-2.9.1-6.16.1
    • qemu-block-rbd-2.9.1-6.16.1
  • SUSE Container as a Service Platform 2.0 (x86_64)
    • qemu-guest-agent-2.9.1-6.16.1
    • qemu-debugsource-2.9.1-6.16.1
    • qemu-guest-agent-debuginfo-2.9.1-6.16.1
  • SUSE Container as a Service Platform 1.0 (x86_64)
    • qemu-guest-agent-2.9.1-6.16.1
    • qemu-debugsource-2.9.1-6.16.1
    • qemu-guest-agent-debuginfo-2.9.1-6.16.1

References: