CVE-2015-4164 Common Vulnerabilities and Exposures

Upstream information

CVE-2015-4164 at MITRE

Description

The compat_iret function in Xen 3.1 through 4.5 iterates the wrong way through a loop, which allows local 32-bit PV guest administrators to cause a denial of service (large loop and system hang) via a hypercall_iret call with EFLAGS.VM set.

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	4.9
Vector	AV:L/AC:L/Au:N/C:N/I:N/A:C
Access Vector	Local
Access Complexity	Low
Authentication	None
Confidentiality Impact	None
Integrity Impact	None
Availability Impact	Complete

Note from the SUSE Security Team on the xen package

This issue likely only affects the XEN hypervisor itself, unless otherwise stated. The userland utilities in -tools and libraries in -libs are shipped together with the xen hypervisor as they are built from one source and do not contain hypervisor specific fixes.

SUSE Bugzilla entries: 932996 [RESOLVED / FIXED], 950367 [RESOLVED / FIXED]

SUSE Security Advisories:

SUSE-SU-2015:1042-1, published Thu Jun 11 09:05:26 MDT 2015
SUSE-SU-2015:1045-1, published Thu Jun 11 12:04:57 MDT 2015
SUSE-SU-2015:1156-1, published Mon Jun 29 06:05:19 MDT 2015
SUSE-SU-2015:1157-1, published Mon Jun 29 07:05:15 MDT 2015
SUSE-SU-2015:1206-1, published Wed Jul 8 09:08:08 MDT 2015
SUSE-SU-2015:1479-1, published Wed Sep 2 10:09:45 MDT 2015
SUSE-SU-2015:1479-2, published Wed Sep 2 11:09:31 MDT 2015
SUSE-SU-2015:1643-1, published Fri Sep 25 13:10:22 MDT 2015
TID7016590, published Mi 10. Jun 16:55:52 CEST 2015
openSUSE-SU-2015:1092-1, published Fri Dec 8 15:48:33 2023
openSUSE-SU-2015:1094-1, published Fri Dec 8 15:48:33 2023

List of released packages

Product(s)	Fixed package version(s)	References
SUSE Linux Enterprise Desktop 11 SP3	`xen >= 4.2.5_12-15.1` `xen-devel >= 4.2.5_12-15.1` `xen-doc-html >= 4.2.5_12-15.1` `xen-doc-pdf >= 4.2.5_12-15.1` `xen-kmp-default >= 4.2.5_12_3.0.101_0.47.55-15.1` `xen-kmp-pae >= 4.2.5_12_3.0.101_0.47.55-15.1` `xen-libs >= 4.2.5_12-15.1` `xen-libs-32bit >= 4.2.5_12-15.1` `xen-tools >= 4.2.5_12-15.1` `xen-tools-domU >= 4.2.5_12-15.1`	Patchnames: sdksp3-xen-12066 sdksp3-xen-201506 sledsp3-xen-12066 sledsp3-xen-201506
SUSE Linux Enterprise Desktop 11 SP4 SUSE Linux Enterprise Server for SAP Applications 11 SP4 SUSE Linux Enterprise Software Development Kit 11 SP4	`xen-devel >= 4.4.2_08-1.7`	Patchnames: SUSE Linux Enterprise Software Development Kit 11 SP4 GA xen-devel-4.4.2_08-1.7
SUSE Linux Enterprise Desktop 12	`xen >= 4.4.2_06-21.1` `xen-devel >= 4.4.2_06-21.1` `xen-kmp-default >= 4.4.2_06_k3.12.39_47-21.1` `xen-libs >= 4.4.2_06-21.1` `xen-libs-32bit >= 4.4.2_06-21.1`	Patchnames: SUSE-SLE-DESKTOP-12-2015-262 SUSE-SLE-SDK-12-2015-262
SUSE Linux Enterprise Server 11 SP1-LTSS	`xen >= 4.0.3_21548_18-0.25.1` `xen-doc-html >= 4.0.3_21548_18-0.25.1` `xen-doc-pdf >= 4.0.3_21548_18-0.25.1` `xen-kmp-default >= 4.0.3_21548_18_2.6.32.59_0.19-0.25.1` `xen-kmp-pae >= 4.0.3_21548_18_2.6.32.59_0.19-0.25.1` `xen-kmp-trace >= 4.0.3_21548_18_2.6.32.59_0.19-0.25.1` `xen-libs >= 4.0.3_21548_18-0.25.1` `xen-tools >= 4.0.3_21548_18-0.25.1` `xen-tools-domU >= 4.0.3_21548_18-0.25.1`	Patchnames: slessp1-xen-201506
SUSE Linux Enterprise Server 11 SP2-LTSS	`xen >= 4.1.6_08-0.13.1` `xen-devel >= 4.1.6_08-0.13.1` `xen-doc-html >= 4.1.6_08-0.13.1` `xen-doc-pdf >= 4.1.6_08-0.13.1` `xen-kmp-default >= 4.1.6_08_3.0.101_0.7.29-0.13.1` `xen-kmp-pae >= 4.1.6_08_3.0.101_0.7.29-0.13.1` `xen-kmp-trace >= 4.1.6_08_3.0.101_0.7.29-0.13.1` `xen-libs >= 4.1.6_08-0.13.1` `xen-libs-32bit >= 4.1.6_08-0.13.1` `xen-tools >= 4.1.6_08-0.13.1` `xen-tools-domU >= 4.1.6_08-0.13.1`	Patchnames: slessp2-xen-201506
SUSE Linux Enterprise Server 11 SP3 SUSE Linux Enterprise Server for SAP Applications 11 SP3	`xen >= 4.2.5_12-15.1` `xen-devel >= 4.2.5_12-15.1` `xen-doc-html >= 4.2.5_12-15.1` `xen-doc-pdf >= 4.2.5_12-15.1` `xen-kmp-default >= 4.2.5_12_3.0.101_0.47.55-15.1` `xen-kmp-pae >= 4.2.5_12_3.0.101_0.47.55-15.1` `xen-libs >= 4.2.5_12-15.1` `xen-libs-32bit >= 4.2.5_12-15.1` `xen-tools >= 4.2.5_12-15.1` `xen-tools-domU >= 4.2.5_12-15.1`	Patchnames: sdksp3-xen-12066 sdksp3-xen-201506 slessp3-xen-12066 slessp3-xen-201506
SUSE Linux Enterprise Server 11 SP4	`xen >= 4.4.2_08-1.7` `xen-devel >= 4.4.2_08-1.7` `xen-doc-html >= 4.4.2_08-1.7` `xen-kmp-default >= 4.4.2_08_3.0.101_63-1.7` `xen-kmp-pae >= 4.4.2_08_3.0.101_63-1.7` `xen-libs >= 4.4.2_08-1.7` `xen-libs-32bit >= 4.4.2_08-1.7` `xen-tools >= 4.4.2_08-1.7` `xen-tools-domU >= 4.4.2_08-1.7`	Patchnames: SUSE Linux Enterprise Server 11 SP4 GA xen-4.4.2_08-1.7 SUSE Linux Enterprise Software Development Kit 11 SP4 GA xen-devel-4.4.2_08-1.7
SUSE Linux Enterprise Server 12 SUSE Linux Enterprise Server for SAP Applications 12	`xen >= 4.4.2_06-21.1` `xen-devel >= 4.4.2_06-21.1` `xen-doc-html >= 4.4.2_06-21.1` `xen-kmp-default >= 4.4.2_06_k3.12.39_47-21.1` `xen-libs >= 4.4.2_06-21.1` `xen-libs-32bit >= 4.4.2_06-21.1` `xen-tools >= 4.4.2_06-21.1` `xen-tools-domU >= 4.4.2_06-21.1`	Patchnames: SUSE-SLE-SDK-12-2015-262 SUSE-SLE-SERVER-12-2015-262
SUSE Linux Enterprise Software Development Kit 11 SP3	`xen-devel >= 4.2.5_12-15.1`	Patchnames: sdksp3-xen-12066 sdksp3-xen-201506
SUSE Linux Enterprise Software Development Kit 12	`xen-devel >= 4.4.2_06-21.1`	Patchnames: SUSE-SLE-SDK-12-2015-262

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 past their end of life and not receiving proactive updates anymore.
SLES for SAP Applications 11 SP2	xen	Released
SLES for SAP Applications 11 SP3	xen	Released
SUSE Linux Enterprise Desktop 11 SP1	xen	Released
SUSE Linux Enterprise Desktop 11 SP2	xen	Released
SUSE Linux Enterprise Desktop 11 SP3	xen	Released
SUSE Linux Enterprise Desktop 11 SP4	xen	Already fixed
SUSE Linux Enterprise Desktop 12	xen	Released
SUSE Linux Enterprise Enterprise Server 11 SP1 for SAP Enterprise Search	xen	Released
SUSE Linux Enterprise Point of Sale 11 SP3	xen	Affected
SUSE Linux Enterprise Point of Service 11 SP3	xen	Released
SUSE Linux Enterprise Server 10 SP4-LTSS	xen	Affected
SUSE Linux Enterprise Server 11 SP1	xen	Released
SUSE Linux Enterprise Server 11 SP1 LTSS	xen	Released
SUSE Linux Enterprise Server 11 SP1-LTSS	xen	Released
SUSE Linux Enterprise Server 11 SP2	xen	Released
SUSE Linux Enterprise Server 11 SP2 LTSS	xen	Released
SUSE Linux Enterprise Server 11 SP2-LTSS	xen	Released
SUSE Linux Enterprise Server 11 SP3	xen	Released
SUSE Linux Enterprise Server 11 SP3 LTSS	xen	Released
SUSE Linux Enterprise Server 11 SP3-LTSS	xen	Released
SUSE Linux Enterprise Server 11 SP4	xen	Already fixed
SUSE Linux Enterprise Server 11 SP4 LTSS	xen	Already fixed
SUSE Linux Enterprise Server 11 SP4-LTSS	xen	Already fixed
SUSE Linux Enterprise Server 12	xen	Released
SUSE Linux Enterprise Server 12-LTSS	xen	Released
SUSE Linux Enterprise Server for SAP Applications 11 SP1	xen	Released
SUSE Linux Enterprise Server for SAP Applications 11 SP2	xen	Released
SUSE Linux Enterprise Server for SAP Applications 11 SP3	xen	Released
SUSE Linux Enterprise Server for SAP Applications 11 SP4	xen	Already fixed
SUSE Linux Enterprise Server for SAP Applications 12	xen	Released
SUSE Linux Enterprise Server for SAP Business All-in-One 11 SP1	xen	Released
SUSE Linux Enterprise Software Development Kit 11 SP1	xen	Released
SUSE Linux Enterprise Software Development Kit 11 SP2	xen	Released
SUSE Linux Enterprise Software Development Kit 11 SP3	xen	Released
SUSE Linux Enterprise Software Development Kit 11 SP4	xen	Already fixed
SUSE Linux Enterprise Software Development Kit 12	xen	Released

SUSE Timeline for this CVE

CVE page created: Sun May 31 11:30:18 2015
CVE page last modified: Wed Mar 12 15:13:10 2025