CVE-2016-6835

Upstream information

CVE-2016-6835 at MITRE

Description

The vmxnet_tx_pkt_parse_headers function in hw/net/vmxnet_tx_pkt.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (buffer over-read) by leveraging failure to check IP header length.

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SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having moderate severity.

CVSS v2 Scores

	National Vulnerability Database	SUSE
Base Score	2.1	1.9
Vector	AV:L/AC:L/Au:N/C:N/I:N/A:P	AV:L/AC:M/Au:N/C:N/I:N/A:P
Access Vector	Local	Local
Access Complexity	Low	Medium
Authentication	None	None
Confidentiality Impact	None	None
Integrity Impact	None	None
Availability Impact	Partial	Partial

CVSS v3 Scores

	National Vulnerability Database
Base Score	6
Vector	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
Access Vector	Local
Access Complexity	Low
Privileges Required	High
User Interaction	None
Scope	Changed
Confidentiality Impact	None
Integrity Impact	None
Availability Impact	High
CVSSv3 Version	3.1

SUSE Bugzilla entries: 994605 [RESOLVED / FIXED], 994625 [RESOLVED / FIXED]

SUSE Security Advisories:

• SUSE-SU-2016:2473-1, published Fri, 7 Oct 2016 14:09:00 +0200 (CEST)
• SUSE-SU-2016:2507-1, published Wed, 12 Oct 2016 15:11:02 +0200 (CEST)
• SUSE-SU-2016:2533-1, published Thu, 13 Oct 2016 21:09:33 +0200 (CEST)
• SUSE-SU-2017:2946-1, published Wed, 8 Nov 2017 12:10:08 +0100 (CET)
• SUSE-SU-2017:2969-1, published Fri, 10 Nov 2017 09:19:55 +0100 (CET)
• openSUSE-SU-2016:2494-1, published Tue, 11 Oct 2016 19:08:23 +0200 (CEST)
• openSUSE-SU-2016:2497-1, published Tue, 11 Oct 2016 19:20:30 +0200 (CEST)

List of released packages

Product(s)	Fixed package version(s)	References
SUSE Linux Enterprise Desktop 12 SP1	xen >= 4.5.3_10-20.1 xen-kmp-default >= 4.5.3_10_k3.12.62_60.62-20.1 xen-libs >= 4.5.3_10-20.1 xen-libs-32bit >= 4.5.3_10-20.1	Patchnames: SUSE-SLE-DESKTOP-12-SP1-2016-1444
SUSE Linux Enterprise Server 11 SP4 SUSE Linux Enterprise Server for SAP Applications 11 SP4	xen >= 4.4.4_08-40.2 xen-doc-html >= 4.4.4_08-40.2 xen-kmp-default >= 4.4.4_08_3.0.101_80-40.2 xen-kmp-pae >= 4.4.4_08_3.0.101_80-40.2 xen-libs >= 4.4.4_08-40.2 xen-libs-32bit >= 4.4.4_08-40.2 xen-tools >= 4.4.4_08-40.2 xen-tools-domU >= 4.4.4_08-40.2	Patchnames: slessp4-xen-12782
SUSE Linux Enterprise Server 12 SP1-LTSS SUSE Linux Enterprise Server for SAP Applications 12 SP1-LTSS	qemu >= 2.3.1-33.3.3 qemu-block-curl >= 2.3.1-33.3.3 qemu-block-rbd >= 2.3.1-33.3.3 qemu-guest-agent >= 2.3.1-33.3.3 qemu-ipxe >= 1.0.0-33.3.3 qemu-kvm >= 2.3.1-33.3.3 qemu-lang >= 2.3.1-33.3.3 qemu-ppc >= 2.3.1-33.3.3 qemu-s390 >= 2.3.1-33.3.3 qemu-seabios >= 1.8.1-33.3.3 qemu-sgabios >= 8-33.3.3 qemu-tools >= 2.3.1-33.3.3 qemu-vgabios >= 1.8.1-33.3.3 qemu-x86 >= 2.3.1-33.3.3	Patchnames: SUSE-SLE-SERVER-12-SP1-2017-1827
SUSE Linux Enterprise Server 12 SP1	xen >= 4.5.3_10-20.1 xen-doc-html >= 4.5.3_10-20.1 xen-kmp-default >= 4.5.3_10_k3.12.62_60.62-20.1 xen-libs >= 4.5.3_10-20.1 xen-libs-32bit >= 4.5.3_10-20.1 xen-tools >= 4.5.3_10-20.1 xen-tools-domU >= 4.5.3_10-20.1	Patchnames: SUSE-SLE-SERVER-12-SP1-2016-1444
SUSE Linux Enterprise Server 12-LTSS SUSE Linux Enterprise Server for SAP Applications 12-LTSS	qemu >= 2.0.2-48.34.3 qemu-block-curl >= 2.0.2-48.34.3 qemu-block-rbd >= 2.0.2-48.34.3 qemu-guest-agent >= 2.0.2-48.34.3 qemu-ipxe >= 1.0.0-48.34.3 qemu-kvm >= 2.0.2-48.34.3 qemu-lang >= 2.0.2-48.34.3 qemu-ppc >= 2.0.2-48.34.3 qemu-s390 >= 2.0.2-48.34.3 qemu-seabios >= 1.7.4-48.34.3 qemu-sgabios >= 8-48.34.3 qemu-tools >= 2.0.2-48.34.3 qemu-vgabios >= 1.7.4-48.34.3 qemu-x86 >= 2.0.2-48.34.3 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-SLE-SERVER-12-2017-1839
SUSE Linux Enterprise Server for SAP Applications 12 SP1	qemu >= 2.3.1-33.3.3 qemu-block-curl >= 2.3.1-33.3.3 qemu-block-rbd >= 2.3.1-33.3.3 qemu-guest-agent >= 2.3.1-33.3.3 qemu-ipxe >= 1.0.0-33.3.3 qemu-kvm >= 2.3.1-33.3.3 qemu-lang >= 2.3.1-33.3.3 qemu-ppc >= 2.3.1-33.3.3 qemu-seabios >= 1.8.1-33.3.3 qemu-sgabios >= 8-33.3.3 qemu-tools >= 2.3.1-33.3.3 qemu-vgabios >= 1.8.1-33.3.3 qemu-x86 >= 2.3.1-33.3.3 xen >= 4.5.3_10-20.1 xen-doc-html >= 4.5.3_10-20.1 xen-kmp-default >= 4.5.3_10_k3.12.62_60.62-20.1 xen-libs >= 4.5.3_10-20.1 xen-libs-32bit >= 4.5.3_10-20.1 xen-tools >= 4.5.3_10-20.1 xen-tools-domU >= 4.5.3_10-20.1	Patchnames: SUSE-SLE-SAP-12-SP1-2017-1827 SUSE-SLE-SERVER-12-SP1-2016-1444
SUSE Linux Enterprise Server for SAP Applications 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
SUSE Linux Enterprise Software Development Kit 11 SP4	xen >= 4.4.4_08-40.2 xen-devel >= 4.4.4_08-40.2	Patchnames: sdksp4-xen-12782
SUSE Linux Enterprise Software Development Kit 12 SP1	xen >= 4.5.3_10-20.1 xen-devel >= 4.5.3_10-20.1	Patchnames: SUSE-SLE-SDK-12-SP1-2016-1444
SUSE OpenStack Cloud 6	qemu >= 2.3.1-33.3.3 qemu-block-curl >= 2.3.1-33.3.3 qemu-block-rbd >= 2.3.1-33.3.3 qemu-guest-agent >= 2.3.1-33.3.3 qemu-ipxe >= 1.0.0-33.3.3 qemu-kvm >= 2.3.1-33.3.3 qemu-lang >= 2.3.1-33.3.3 qemu-seabios >= 1.8.1-33.3.3 qemu-sgabios >= 8-33.3.3 qemu-tools >= 2.3.1-33.3.3 qemu-vgabios >= 1.8.1-33.3.3 qemu-x86 >= 2.3.1-33.3.3	Patchnames: SUSE-OpenStack-Cloud-6-2017-1827
openSUSE Leap 42.1	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

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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
SLES_LTSS-10-SP4	xen	Not affected
SUSE Linux Enterprise Desktop 11 SP4	xen	Released
SUSE Linux Enterprise Desktop 12	xen	Released
SUSE Linux Enterprise Desktop 12 SP1	qemu	Not affected
SUSE Linux Enterprise Desktop 12 SP1	xen	Released
SUSE Linux Enterprise Point of Service 11 SP3	qemu	Not affected
SUSE Linux Enterprise Server 11 SP1	kvm	Not affected
SUSE Linux Enterprise Server 11 SP1	xen	Not affected
SUSE Linux Enterprise Server 11 SP2 LTSS	kvm	Not affected
SUSE Linux Enterprise Server 11 SP2 LTSS	xen	Not affected
SUSE Linux Enterprise Server 11 SP3	kvm	Not affected
SUSE Linux Enterprise Server 11 SP3	xen	Not affected
SUSE Linux Enterprise Server 11 SP3 LTSS	kvm	Not affected
SUSE Linux Enterprise Server 11 SP3 LTSS	xen	Not affected
SUSE Linux Enterprise Server 11 SP4	kvm	Not affected
SUSE Linux Enterprise Server 11 SP4	xen	Released
SUSE Linux Enterprise Server 12	xen	Released
SUSE Linux Enterprise Server 12 LTSS	qemu	Released
SUSE Linux Enterprise Server 12 LTSS	xen	Released
SUSE Linux Enterprise Server 12 SP1	qemu	Not affected
SUSE Linux Enterprise Server 12 SP1	xen	Released
SUSE Linux Enterprise Server 12 SP1 LTSS	qemu	Released
SUSE Linux Enterprise Software Development Kit 11 SP4	qemu	Not affected
SUSE Linux Enterprise Software Development Kit 11 SP4	xen	Released
SUSE Linux Enterprise Software Development Kit 12	xen	Released
SUSE Linux Enterprise Software Development Kit 12 SP1	xen	Released
SUSE Studio Onsite	qemu	Not affected