CVE-2018-18438

Upstream information

CVE-2018-18438 at MITRE

Description

Qemu has integer overflows because IOReadHandler and its associated functions use a signed integer data type for a size value.

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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
Base Score	2.1
Vector	AV:L/AC:L/Au:N/C:N/I:N/A:P
Access Vector	Local
Access Complexity	Low
Authentication	None
Confidentiality Impact	None
Integrity Impact	None
Availability Impact	Partial

CVSS v3 Scores

	National Vulnerability Database	SUSE
Base Score	5.5	6.4
Vector	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:H
Access Vector	Local	Local
Access Complexity	Low	High
Privileges Required	Low	Low
User Interaction	None	None
Scope	Unchanged	Changed
Confidentiality Impact	None	None
Integrity Impact	None	Low
Availability Impact	High	High
CVSSv3 Version	3	3

SUSE Bugzilla entries: 1112185 [RESOLVED / FIXED], 1112188 [RESOLVED / FIXED]

SUSE Security Advisories:

• SUSE-SU-2018:3975-1, published
• SUSE-SU-2018:3987-1, published Wed Dec 5 10:11:25 MST 2018
• SUSE-SU-2019:0825-1, published Mon Apr 1 07:22:30 MDT 2019
• SUSE-SU-2019:0827-1, published Mon Apr 1 07:18:42 MDT 2019
• SUSE-SU-2019:13921-1, published
• SUSE-SU-2019:14011-1, published Wed Apr 3 07:09:34 MDT 2019

List of released packages

Product(s)	Fixed package version(s)	References
SUSE Linux Enterprise Point of Sale 11 SP3	kvm >= 1.4.2-53.26.2 xen-kmp-default >= 4.2.5_21_3.0.101_0.47.106.59-45.30.1 xen-kmp-pae >= 4.2.5_21_3.0.101_0.47.106.59-45.30.1 xen-libs >= 4.2.5_21-45.30.1 xen-tools-domU >= 4.2.5_21-45.30.1	Patchnames: sleposp3-kvm-13894 sleposp3-xen-14011
SUSE Linux Enterprise Server 11 SP3-LTSS	kvm >= 1.4.2-53.26.2	Patchnames: slessp3-kvm-13894
SUSE Linux Enterprise Server 11 SP4 SUSE Linux Enterprise Server for SAP Applications 11 SP4	kvm >= 1.4.2-60.18.2 xen >= 4.4.4_38-61.40.1 xen-doc-html >= 4.4.4_38-61.40.1 xen-kmp-default >= 4.4.4_38_3.0.101_108.84-61.40.1 xen-kmp-pae >= 4.4.4_38_3.0.101_108.84-61.40.1 xen-libs >= 4.4.4_38-61.40.1 xen-libs-32bit >= 4.4.4_38-61.40.1 xen-tools >= 4.4.4_38-61.40.1 xen-tools-domU >= 4.4.4_38-61.40.1	Patchnames: slessp4-kvm-13891 slessp4-xen-13921
SUSE Linux Enterprise Server 12 SP1-LTSS	xen >= 4.5.5_28-22.58.1 xen-doc-html >= 4.5.5_28-22.58.1 xen-kmp-default >= 4.5.5_28_k3.12.74_60.64.107-22.58.1 xen-libs >= 4.5.5_28-22.58.1 xen-libs-32bit >= 4.5.5_28-22.58.1 xen-tools >= 4.5.5_28-22.58.1 xen-tools-domU >= 4.5.5_28-22.58.1	Patchnames: SUSE-SLE-SERVER-12-SP1-2019-825
SUSE Linux Enterprise Server 12-LTSS	xen >= 4.4.4_40-22.77.1 xen-doc-html >= 4.4.4_40-22.77.1 xen-kmp-default >= 4.4.4_40_k3.12.61_52.146-22.77.1 xen-libs >= 4.4.4_40-22.77.1 xen-libs-32bit >= 4.4.4_40-22.77.1 xen-tools >= 4.4.4_40-22.77.1 xen-tools-domU >= 4.4.4_40-22.77.1	Patchnames: SUSE-SLE-SERVER-12-2019-827
SUSE Linux Enterprise Server for SAP Applications 12 SP1	xen >= 4.5.5_28-22.58.1 xen-doc-html >= 4.5.5_28-22.58.1 xen-kmp-default >= 4.5.5_28_k3.12.74_60.64.107-22.58.1 xen-libs >= 4.5.5_28-22.58.1 xen-libs-32bit >= 4.5.5_28-22.58.1 xen-tools >= 4.5.5_28-22.58.1 xen-tools-domU >= 4.5.5_28-22.58.1	Patchnames: SUSE-SLE-SAP-12-SP1-2019-825
SUSE Linux Enterprise Software Development Kit 11 SP4	xen-devel >= 4.4.4_38-61.40.1	Patchnames: sdksp4-xen-13921

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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 for SAP Applications	kvm	Affected
SLES for SAP Applications	xen	Already fixed
SUSE CaaS Platform 3.0	qemu	Not affected
SUSE CaaS Platform 3.0	xen	Ignore
SUSE CaaS Platform 4.5	xen	Not affected
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	Not affected
SUSE Container as a Service Platform 2.0	xen	Ignore
SUSE Enterprise Storage 7	xen	Not affected
SUSE Linux Enterprise Desktop 12 SP3	qemu	Not affected
SUSE Linux Enterprise Desktop 12 SP3	xen	Ignore
SUSE Linux Enterprise High Performance Computing 15 SP1 ESPOS	xen	Analysis
SUSE Linux Enterprise High Performance Computing 15 SP2 ESPOS	xen	Not affected
SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS	xen	Not affected
SUSE Linux Enterprise Micro 5.0	xen	Not affected
SUSE Linux Enterprise Micro 5.1	xen	Analysis
SUSE Linux Enterprise Module for Basesystem 15	qemu	Not affected
SUSE Linux Enterprise Module for Basesystem 15	xen	Ignore
SUSE Linux Enterprise Module for Basesystem 15 SP3	xen	Analysis
SUSE Linux Enterprise Module for Basesystem 15 SP4	xen	Analysis
SUSE Linux Enterprise Module for Server Applications 15	qemu	Not affected
SUSE Linux Enterprise Module for Server Applications 15	xen	Ignore
SUSE Linux Enterprise Module for Server Applications 15 SP3	xen	Analysis
SUSE Linux Enterprise Module for Server Applications 15 SP4	xen	Analysis
SUSE Linux Enterprise Point of Service 11 SP3	kvm	Released
SUSE Linux Enterprise Point of Service 11 SP3	qemu	Not affected
SUSE Linux Enterprise Point of Service 11 SP3	xen	In progress
SUSE Linux Enterprise Server 11 SP1	xen	Analysis
SUSE Linux Enterprise Server 11 SP3	kvm	Analysis
SUSE Linux Enterprise Server 11 SP3	xen	Analysis
SUSE Linux Enterprise Server 11 SP3 LTSS	kvm	Released
SUSE Linux Enterprise Server 11 SP3 LTSS	xen	Already fixed
SUSE Linux Enterprise Server 11 SP4	kvm	Released
SUSE Linux Enterprise Server 11 SP4	xen	Released
SUSE Linux Enterprise Server 11 SP4 LTSS	kvm	In progress
SUSE Linux Enterprise Server 11 SP4 LTSS	xen	In progress
SUSE Linux Enterprise Server 12 LTSS	qemu	Not affected
SUSE Linux Enterprise Server 12 LTSS	xen	Released
SUSE Linux Enterprise Server 12 SP1 LTSS	xen	Released
SUSE Linux Enterprise Server 12 SP2 BCL	xen	Analysis
SUSE Linux Enterprise Server 12 SP2 LTSS	qemu	Not affected
SUSE Linux Enterprise Server 12 SP2 LTSS	xen	Not affected
SUSE Linux Enterprise Server 12 SP3	qemu	Not affected
SUSE Linux Enterprise Server 12 SP3	xen	Ignore
SUSE Linux Enterprise Server 12 SP3 BCL	xen	Analysis
SUSE Linux Enterprise Server 12 SP4 LTSS	xen	Analysis
SUSE Linux Enterprise Server 15 SP2 LTSS	xen	Not affected
SUSE Linux Enterprise Server Business Critical Linux 15 SP1	xen	Analysis
SUSE Linux Enterprise Server Business Critical Linux 15 SP2	xen	Not affected
SUSE Linux Enterprise Server for SAP Applications 12	qemu	Not affected
SUSE Linux Enterprise Server for SAP Applications 12	xen	Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP2	qemu	Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP2	xen	Unsupported
SUSE Linux Enterprise Server for SAP Applications 15 SP2	xen	Not affected
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 SP3	xen	Ignore
SUSE Manager Proxy 4.1	xen	Not affected
SUSE Manager Retail Branch Server 4.1	xen	Not affected
SUSE Manager Server 4.1	xen	Not affected
SUSE Studio Onsite 1.3	qemu	Not affected