CVE-2016-6834

Upstream information

CVE-2016-6834 at MITRE

Description

The net_tx_pkt_do_sw_fragmentation function in hw/net/net_tx_pkt.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) via a zero length for the current fragment length.

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SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having low 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	4.4
Vector	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Attack Vector	Local
Attack Complexity	Low
Privileges Required	High
User Interaction	None
Scope	Unchanged
Confidentiality Impact	None
Integrity Impact	None
Availability Impact	High
CVSSv3 Version	3.1

SUSE Bugzilla entries: 994418 [RESOLVED / FIXED], 994421 [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 11 SP4 SUSE Linux Enterprise Software Development Kit 11 SP4	xen-devel >= 4.4.4_08-40.2	Patchnames: sdksp4-xen-12782
SUSE Linux Enterprise Desktop 12 SP1	xen >= 4.5.3_10-20.1 xen-devel >= 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-SLE-SDK-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-devel >= 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: sdksp4-xen-12782 slessp4-xen-12782
SUSE Linux Enterprise Server 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-devel >= 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-SDK-12-SP1-2016-1444 SUSE-SLE-SERVER-12-SP1-2016-1444
SUSE Linux Enterprise Server 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-devel >= 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-SDK-12-SP1-2016-1444 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 12 SP1	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

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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. The updates are grouped by state of their lifecycle. SUSE product lifecycles are documented on the lifecycle page.

Product(s)	Source package	State
Products under general support and receiving all security fixes.
SUSE Linux Enterprise Server 12-LTSS	qemu	Released
SUSE Linux Enterprise Server 12-LTSS	xen	Released
Products under Long Term Service Pack support and receiving important and critical security fixes.
SUSE Linux Enterprise Server 12 SP2-BCL	qemu	Already fixed
SUSE Linux Enterprise Server 12 SP2-BCL	xen	Not affected
Products past their end of life and not receiving proactive updates anymore.
SUSE Linux Enterprise Desktop 11 SP4	xen	Released
SUSE Linux Enterprise Desktop 12	qemu	Affected
SUSE Linux Enterprise Desktop 12	xen	Released
SUSE Linux Enterprise Desktop 12 SP1	qemu	Affected
SUSE Linux Enterprise Desktop 12 SP1	xen	Released
SUSE Linux Enterprise Desktop 12 SP2	qemu	Affected
SUSE Linux Enterprise Desktop 12 SP2	xen	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 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 11 SP4 LTSS	xen	Affected
SUSE Linux Enterprise Server 11 SP4-LTSS	kvm	Not affected
SUSE Linux Enterprise Server 11 SP4-LTSS	xen	Released
SUSE Linux Enterprise Server 12	qemu	Affected
SUSE Linux Enterprise Server 12	xen	Released
SUSE Linux Enterprise Server 12 SP1	qemu	Affected
SUSE Linux Enterprise Server 12 SP1	xen	Released
SUSE Linux Enterprise Server 12 SP1-LTSS	qemu	Released
SUSE Linux Enterprise Server 12 SP1-LTSS	xen	Affected
SUSE Linux Enterprise Server 12 SP2	qemu	Not affected
SUSE Linux Enterprise Server 12 SP2	xen	Not affected
SUSE Linux Enterprise Server 12 SP2-ESPOS	qemu	Already fixed
SUSE Linux Enterprise Server 12 SP2-ESPOS	xen	Not affected
SUSE Linux Enterprise Server 12 SP2-LTSS	qemu	Already fixed
SUSE Linux Enterprise Server 12 SP2-LTSS	xen	Not affected
SUSE Linux Enterprise Server for Raspberry Pi 12 SP2	qemu	Already fixed
SUSE Linux Enterprise Server for SAP Applications 11 SP4	xen	Released
SUSE Linux Enterprise Server for SAP Applications 12	xen	Released
SUSE Linux Enterprise Server for SAP Applications 12 SP1	qemu	Released
SUSE Linux Enterprise Server for SAP Applications 12 SP1	xen	Released
SUSE Linux Enterprise Server for SAP Applications 12 SP2	qemu	Already fixed
SUSE Linux Enterprise Server for SAP Applications 12 SP2	xen	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 Linux Enterprise Software Development Kit 12 SP2	xen	Not affected
SUSE OpenStack Cloud 6	qemu	Released
SUSE OpenStack Cloud 7	qemu	Already fixed
SUSE OpenStack Cloud 7	xen	Not affected

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SUSE Timeline for this CVE

CVE page created: Thu Aug 18 06:18:32 2016
CVE page last modified: Tue Feb 14 14:59:25 2023