Upstream information

CVE-2016-4020 at MITRE

Description

The patch_instruction function in hw/i386/kvmvapic.c in QEMU does not initialize the imm32 variable, which allows local guest OS administrators to obtain sensitive information from host stack memory by accessing the Task Priority Register (TPR).

SUSE information

CVSS v2 Scores
  National Vulnerability Database SUSE
Base Score 2.11 1.53
Vector AV:L/AC:L/Au:N/C:P/I:N/A:N AV:L/AC:M/Au:S/C:P/I:N/A:N
Access Vector Local Local
Access Complexity Low Medium
Authentication None Single
Confidentiality Impact Partial Partial
Integrity Impact None None
Availability Impact None None
CVSS v3 Scores
  National Vulnerability Database
Base Score 6.5
Vector AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Access Vector Local
Access Complexity Low
Privileges Required Low
User Interaction None
Scope Changed
Confidentiality Impact High
Integrity Impact None
Availability Impact None
SUSE Bugzilla entries: 975700 [RESOLVED / FIXED], 975907 [RESOLVED / FIXED]

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
SUSE Linux Enterprise Desktop 12
  • qemu >= 2.0.2-48.19.1
  • qemu-block-curl >= 2.0.2-48.19.1
  • qemu-ipxe >= 1.0.0-48.19.1
  • qemu-kvm >= 2.0.2-48.19.1
  • qemu-seabios >= 1.7.4-48.19.1
  • qemu-sgabios >= 8-48.19.1
  • qemu-tools >= 2.0.2-48.19.1
  • qemu-vgabios >= 1.7.4-48.19.1
  • qemu-x86 >= 2.0.2-48.19.1
Patchnames:
SUSE-SLE-DESKTOP-12-2016-924
SUSE Linux Enterprise Desktop 12 SP1
  • qemu >= 2.3.1-14.1
  • qemu-block-curl >= 2.3.1-14.1
  • qemu-ipxe >= 1.0.0-14.1
  • qemu-kvm >= 2.3.1-14.1
  • qemu-seabios >= 1.8.1-14.1
  • qemu-sgabios >= 8-14.1
  • qemu-tools >= 2.3.1-14.1
  • qemu-vgabios >= 1.8.1-14.1
  • qemu-x86 >= 2.3.1-14.1
  • xen >= 4.5.3_08-17.1
  • xen-kmp-default >= 4.5.3_08_k3.12.59_60.45-17.1
  • xen-libs >= 4.5.3_08-17.1
  • xen-libs-32bit >= 4.5.3_08-17.1
Patchnames:
SUSE-SLE-DESKTOP-12-SP1-2016-1007
SUSE-SLE-DESKTOP-12-SP1-2016-1238
SUSE Linux Enterprise Desktop 12 SP2
  • qemu >= 2.6.1-27.15
  • qemu-block-curl >= 2.6.1-27.15
  • qemu-ipxe >= 1.0.0-27.15
  • qemu-kvm >= 2.6.1-27.15
  • qemu-seabios >= 1.9.1-27.15
  • qemu-sgabios >= 8-27.15
  • qemu-tools >= 2.6.1-27.15
  • qemu-vgabios >= 1.9.1-27.15
  • qemu-x86 >= 2.6.1-27.15
Patchnames:
SUSE Linux Enterprise Desktop 12 SP2 GA qemu
SUSE Linux Enterprise Server 11 SP3-LTSS
  • kvm >= 1.4.2-46.1
Patchnames:
slessp3-kvm-12634
SUSE Linux Enterprise Server 11 SP4
  • kvm >= 1.4.2-44.1
  • xen >= 4.4.4_07-37.1
  • xen-doc-html >= 4.4.4_07-37.1
  • xen-kmp-default >= 4.4.4_07_3.0.101_77-37.1
  • xen-kmp-pae >= 4.4.4_07_3.0.101_77-37.1
  • xen-libs >= 4.4.4_07-37.1
  • xen-libs-32bit >= 4.4.4_07-37.1
  • xen-tools >= 4.4.4_07-37.1
  • xen-tools-domU >= 4.4.4_07-37.1
Patchnames:
slessp4-kvm-12645
slessp4-xen-12702
SUSE Linux Enterprise Server 12
  • qemu >= 2.0.2-48.19.1
  • qemu-block-curl >= 2.0.2-48.19.1
  • qemu-block-rbd >= 2.0.2-48.19.1
  • qemu-guest-agent >= 2.0.2-48.19.1
  • qemu-ipxe >= 1.0.0-48.19.1
  • qemu-kvm >= 2.0.2-48.19.1
  • qemu-lang >= 2.0.2-48.19.1
  • qemu-ppc >= 2.0.2-48.19.1
  • qemu-s390 >= 2.0.2-48.19.1
  • qemu-seabios >= 1.7.4-48.19.1
  • qemu-sgabios >= 8-48.19.1
  • qemu-tools >= 2.0.2-48.19.1
  • qemu-vgabios >= 1.7.4-48.19.1
  • qemu-x86 >= 2.0.2-48.19.1
Patchnames:
SUSE-SLE-SERVER-12-2016-924
SUSE Linux Enterprise Server 12 SP1
  • qemu >= 2.3.1-14.1
  • qemu-block-curl >= 2.3.1-14.1
  • qemu-block-rbd >= 2.3.1-14.1
  • qemu-guest-agent >= 2.3.1-14.1
  • qemu-ipxe >= 1.0.0-14.1
  • qemu-kvm >= 2.3.1-14.1
  • qemu-lang >= 2.3.1-14.1
  • qemu-ppc >= 2.3.1-14.1
  • qemu-s390 >= 2.3.1-14.1
  • qemu-seabios >= 1.8.1-14.1
  • qemu-sgabios >= 8-14.1
  • qemu-tools >= 2.3.1-14.1
  • qemu-vgabios >= 1.8.1-14.1
  • qemu-x86 >= 2.3.1-14.1
  • xen >= 4.5.3_08-17.1
  • xen-doc-html >= 4.5.3_08-17.1
  • xen-kmp-default >= 4.5.3_08_k3.12.59_60.45-17.1
  • xen-libs >= 4.5.3_08-17.1
  • xen-libs-32bit >= 4.5.3_08-17.1
  • xen-tools >= 4.5.3_08-17.1
  • xen-tools-domU >= 4.5.3_08-17.1
Patchnames:
SUSE-SLE-SERVER-12-SP1-2016-1007
SUSE-SLE-SERVER-12-SP1-2016-1238
SUSE Linux Enterprise Server 12 SP2
  • qemu >= 2.6.1-27.15
  • qemu-arm >= 2.6.1-27.15
  • qemu-block-curl >= 2.6.1-27.15
  • qemu-block-rbd >= 2.6.1-27.15
  • qemu-block-ssh >= 2.6.1-27.15
  • qemu-guest-agent >= 2.6.1-27.15
  • qemu-ipxe >= 1.0.0-27.15
  • qemu-kvm >= 2.6.1-27.15
  • qemu-lang >= 2.6.1-27.15
  • qemu-ppc >= 2.6.1-27.15
  • qemu-s390 >= 2.6.1-27.15
  • qemu-seabios >= 1.9.1-27.15
  • qemu-sgabios >= 8-27.15
  • qemu-tools >= 2.6.1-27.15
  • qemu-vgabios >= 1.9.1-27.15
  • qemu-x86 >= 2.6.1-27.15
Patchnames:
SUSE Linux Enterprise Server 12 SP2 GA qemu
SUSE Linux Enterprise Server 12-LTSS
  • xen >= 4.4.4_04-22.22.2
  • xen-doc-html >= 4.4.4_04-22.22.2
  • xen-kmp-default >= 4.4.4_04_k3.12.60_52.54-22.22.2
  • xen-libs >= 4.4.4_04-22.22.2
  • xen-libs-32bit >= 4.4.4_04-22.22.2
  • xen-tools >= 4.4.4_04-22.22.2
  • xen-tools-domU >= 4.4.4_04-22.22.2
Patchnames:
SUSE-SLE-SERVER-12-2016-1476
SUSE Linux Enterprise Server for Raspberry Pi 12 SP2
  • qemu >= 2.6.1-27.15
  • qemu-arm >= 2.6.1-27.15
  • qemu-block-curl >= 2.6.1-27.15
  • qemu-block-rbd >= 2.6.1-27.15
  • qemu-block-ssh >= 2.6.1-27.15
  • qemu-guest-agent >= 2.6.1-27.15
  • qemu-ipxe >= 1.0.0-27.15
  • qemu-lang >= 2.6.1-27.15
  • qemu-tools >= 2.6.1-27.15
Patchnames:
SUSE Linux Enterprise Server for Raspberry Pi 12 SP2 GA qemu
SUSE Linux Enterprise Software Development Kit 11 SP4
  • xen >= 4.4.4_07-37.1
  • xen-devel >= 4.4.4_07-37.1
Patchnames:
sdksp4-xen-12702
SUSE Linux Enterprise Software Development Kit 12 SP1
  • xen >= 4.5.3_08-17.1
  • xen-devel >= 4.5.3_08-17.1
Patchnames:
SUSE-SLE-SDK-12-SP1-2016-1238
SUSE Linux Enterprise for SAP 12
  • xen >= 4.4.4_04-22.22.2
  • xen-doc-html >= 4.4.4_04-22.22.2
  • xen-kmp-default >= 4.4.4_04_k3.12.60_52.54-22.22.2
  • xen-libs >= 4.4.4_04-22.22.2
  • xen-libs-32bit >= 4.4.4_04-22.22.2
  • xen-tools >= 4.4.4_04-22.22.2
  • xen-tools-domU >= 4.4.4_04-22.22.2
Patchnames:
SUSE-SLE-SAP-12-2016-1476
openSUSE 13.2
  • xen >= 4.4.4_05-49.1
  • xen-debugsource >= 4.4.4_05-49.1
  • xen-devel >= 4.4.4_05-49.1
  • xen-doc-html >= 4.4.4_05-49.1
  • xen-kmp-default >= 4.4.4_05_k3.16.7_42-49.1
  • xen-kmp-default-debuginfo >= 4.4.4_05_k3.16.7_42-49.1
  • xen-kmp-desktop >= 4.4.4_05_k3.16.7_42-49.1
  • xen-kmp-desktop-debuginfo >= 4.4.4_05_k3.16.7_42-49.1
  • xen-libs >= 4.4.4_05-49.1
  • xen-libs-32bit >= 4.4.4_05-49.1
  • xen-libs-debuginfo >= 4.4.4_05-49.1
  • xen-libs-debuginfo-32bit >= 4.4.4_05-49.1
  • xen-tools >= 4.4.4_05-49.1
  • xen-tools-debuginfo >= 4.4.4_05-49.1
  • xen-tools-domU >= 4.4.4_05-49.1
  • xen-tools-domU-debuginfo >= 4.4.4_05-49.1
Patchnames:
openSUSE-2016-1169
openSUSE Leap 42.1
  • qemu >= 2.3.1-15.1
  • qemu-arm >= 2.3.1-15.1
  • qemu-arm-debuginfo >= 2.3.1-15.1
  • qemu-block-curl >= 2.3.1-15.1
  • qemu-block-curl-debuginfo >= 2.3.1-15.1
  • qemu-block-rbd >= 2.3.1-15.1
  • qemu-block-rbd-debuginfo >= 2.3.1-15.1
  • qemu-debugsource >= 2.3.1-15.1
  • qemu-extra >= 2.3.1-15.1
  • qemu-extra-debuginfo >= 2.3.1-15.1
  • qemu-guest-agent >= 2.3.1-15.1
  • qemu-guest-agent-debuginfo >= 2.3.1-15.1
  • qemu-ipxe >= 1.0.0-15.1
  • qemu-kvm >= 2.3.1-15.1
  • qemu-lang >= 2.3.1-15.1
  • qemu-linux-user >= 2.3.1-15.1
  • qemu-linux-user-debuginfo >= 2.3.1-15.1
  • qemu-linux-user-debugsource >= 2.3.1-15.1
  • qemu-ppc >= 2.3.1-15.1
  • qemu-ppc-debuginfo >= 2.3.1-15.1
  • qemu-s390 >= 2.3.1-15.1
  • qemu-s390-debuginfo >= 2.3.1-15.1
  • qemu-seabios >= 1.8.1-15.1
  • qemu-sgabios >= 8-15.1
  • qemu-testsuite >= 2.3.1-15.2
  • qemu-tools >= 2.3.1-15.1
  • qemu-tools-debuginfo >= 2.3.1-15.1
  • qemu-vgabios >= 1.8.1-15.1
  • qemu-x86 >= 2.3.1-15.1
  • qemu-x86-debuginfo >= 2.3.1-15.1
  • xen >= 4.5.3_10-15.2
  • xen-debugsource >= 4.5.3_10-15.2
  • xen-devel >= 4.5.3_10-15.2
  • xen-doc-html >= 4.5.3_10-15.2
  • xen-kmp-default >= 4.5.3_10_k4.1.31_30-15.2
  • xen-kmp-default-debuginfo >= 4.5.3_10_k4.1.31_30-15.2
  • xen-libs >= 4.5.3_10-15.2
  • xen-libs-32bit >= 4.5.3_10-15.2
  • xen-libs-debuginfo >= 4.5.3_10-15.2
  • xen-libs-debuginfo-32bit >= 4.5.3_10-15.2
  • xen-tools >= 4.5.3_10-15.2
  • xen-tools-debuginfo >= 4.5.3_10-15.2
  • xen-tools-domU >= 4.5.3_10-15.2
  • xen-tools-domU-debuginfo >= 4.5.3_10-15.2
Patchnames:
openSUSE-2016-1170
openSUSE-2016-839
openSUSE Leap 42.2
  • qemu >= 2.6.1-21.1
  • qemu-arm >= 2.6.1-21.1
  • qemu-block-curl >= 2.6.1-21.1
  • qemu-block-dmg >= 2.6.1-21.1
  • qemu-block-iscsi >= 2.6.1-21.1
  • qemu-block-rbd >= 2.6.1-21.1
  • qemu-block-ssh >= 2.6.1-21.1
  • qemu-extra >= 2.6.1-21.1
  • qemu-ipxe >= 1.0.0-21.1
  • qemu-kvm >= 2.6.1-21.1
  • qemu-lang >= 2.6.1-21.1
  • qemu-ppc >= 2.6.1-21.1
  • qemu-s390 >= 2.6.1-21.1
  • qemu-seabios >= 1.9.1-21.1
  • qemu-sgabios >= 8-21.1
  • qemu-tools >= 2.6.1-21.1
  • qemu-vgabios >= 1.9.1-21.1
  • qemu-x86 >= 2.6.1-21.1
Patchnames:
openSUSE Leap 42.2 GA qemu
openSUSE Tumbleweed
  • qemu >= 2.6.1-1.5
  • qemu-arm >= 2.6.1-1.5
  • qemu-block-curl >= 2.6.1-1.5
  • qemu-block-dmg >= 2.6.1-1.5
  • qemu-block-gluster >= 2.6.1-1.5
  • qemu-block-iscsi >= 2.6.1-1.5
  • qemu-block-ssh >= 2.6.1-1.5
  • qemu-extra >= 2.6.1-1.5
  • qemu-guest-agent >= 2.6.1-1.5
  • qemu-ipxe >= 1.0.0-1.5
  • qemu-ksm >= 2.6.1-1.5
  • qemu-kvm >= 2.6.1-1.5
  • qemu-lang >= 2.6.1-1.5
  • qemu-linux-user >= 2.6.1-1.5
  • qemu-ppc >= 2.6.1-1.5
  • qemu-s390 >= 2.6.1-1.5
  • qemu-seabios >= 1.9.1-1.5
  • qemu-sgabios >= 8-1.5
  • qemu-testsuite >= 2.6.1-1.5
  • qemu-tools >= 2.6.1-1.5
  • qemu-vgabios >= 1.9.1-1.5
  • qemu-x86 >= 2.6.1-1.5
Patchnames:
openSUSE Tumbleweed GA qemu
openSUSE Tumbleweed GA qemu-linux-user