Executive Summary

Summary
Title Xen: Denial of Service
Informations
Name GLSA-201412-42 First vendor Publication 2014-12-26
Vendor Gentoo Last vendor Modification 2014-12-26
Severity (Vendor) Normal Revision N/A

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
 
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:A/AC:L/Au:N/C:C/I:C/A:C)
Cvss Base Score 8.3 Attack Range Adjacent network
Cvss Impact Score 10 Attack Complexity Low
Cvss Expoit Score 6.5 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

Synopsis

Multiple vulnerabilities have been found in Xen, possibly resulting in Denial of Service.

Background

Xen is a bare-metal hypervisor.

Description

Multiple vulnerabilities have been discovered in Xen. Please review the CVE identifiers referenced below for details.

Impact

A local user could possibly cause a Denial of Service condition.

Workaround

There is no known workaround at this time.

Resolution

All Xen 4.2 users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=app-emulation/xen-4.2.5-r1"

All Xen 4.4 users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=app-emulation/xen-4.4.1-r2"

References

[ 1 ] CVE-2014-7154 : http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-7154
[ 2 ] CVE-2014-7155 : http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-7155
[ 3 ] CVE-2014-7156 : http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-7156
[ 4 ] CVE-2014-7188 : http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-7188

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website:

http://security.gentoo.org/glsa/glsa-201412-42.xml

Original Source

Url : http://security.gentoo.org/glsa/glsa-201412-42.xml

CWE : Common Weakness Enumeration

% Id Name
50 % CWE-264 Permissions, Privileges, and Access Controls
25 % CWE-399 Resource Management Errors
25 % CWE-362 Race Condition

OVAL Definitions

Definition Id: oval:org.mitre.oval:def:26783
 
Oval ID: oval:org.mitre.oval:def:26783
Title: DSA-3041-1 xen - security update
Description: Multiple security issues have been discovered in the Xen virtualisation solution which may result in denial of service, information disclosure or privilege escalation.
Family: unix Class: patch
Reference(s): DSA-3041-1
CVE-2013-2072
CVE-2014-7154
CVE-2014-7155
CVE-2014-7156
CVE-2014-7188
 Version: 3
Platform(s): Debian GNU/Linux 7.0
Debian GNU/kFreeBSD 7.0
 Product(s): xen
Definition Synopsis:
Definition Id: oval:org.mitre.oval:def:28083
 
Oval ID: oval:org.mitre.oval:def:28083
Title: SUSE-SU-2014:1318-1 -- Security update for Xen (moderate)
Description: The SUSE Linux Enterprise 11 Service Pack 3 Xen package was updated to fix various bugs and security issues. The following security issues have been fixed: * XSA-108: CVE-2014-7188: Improper MSR range used for x2APIC emulation (bnc#897657) * XSA-106: CVE-2014-7156: Missing privilege level checks in x86 emulation of software interrupts (bnc#895802) * XSA-105: CVE-2014-7155: Missing privilege level checks in x86 HLT, LGDT, LIDT, and LMSW emulation (bnc#895799) * XSA-104: CVE-2014-7154: Race condition in HVMOP_track_dirty_vram (bnc#895798) * XSA-100: CVE-2014-4021: Hypervisor heap contents leaked to guests (bnc#880751) * XSA-96: CVE-2014-3967, CVE-2014-3968: Vulnerabilities in HVM MSI injection (bnc#878841) * XSA-89: CVE-2014-2599: HVMOP_set_mem_access is not preemptible (bnc#867910) * XSA-65: CVE-2013-4344: qemu SCSI REPORT LUNS buffer overflow (bnc#842006) * CVE-2013-4540: qemu: zaurus: buffer overrun on invalid state load (bnc#864801) The following non-security issues have been fixed: * xend: Fix netif convertToDeviceNumber for running domains (bnc#891539) * Installing SLES12 as a VM on SLES11 SP3 fails because of btrfs in the VM (bnc#882092) * XEN kernel panic do_device_not_available() (bnc#881900) * Boot Failure with xen kernel in UEFI mode with error "No memory for trampoline" (bnc#833483) * SLES 11 SP3 vm-install should get RHEL 7 support when released (bnc#862608) * SLES 11 SP3 XEN kiso version cause softlockup on 8 blades npar(480 cpu) (bnc#858178) * Local attach support for PHY backends using scripts local_attach_support_for_phy.patch (bnc#865682) * Improve multipath support for npiv devices block-npiv (bnc#798770) Security Issues: * CVE-2013-4344 <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-4344> * CVE-2013-4540 <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-4540> * CVE-2014-2599 <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-2599> * CVE-2014-3967 <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-3967> * CVE-2014-3968 <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-3968> * CVE-2014-4021 <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-4021> * CVE-2014-7154 <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-7154> * CVE-2014-7155 <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-7155> * CVE-2014-7156 <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-7156> * CVE-2014-7188 <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-7188>
Family: unix Class: patch
Reference(s): SUSE-SU-2014:1318-1
CVE-2013-4344
CVE-2013-4540
CVE-2014-2599
CVE-2014-3967
CVE-2014-3968
CVE-2014-4021
CVE-2014-7154
CVE-2014-7155
CVE-2014-7156
CVE-2014-7188
 Version: 3
Platform(s): SUSE Linux Enterprise Server 11
SUSE Linux Enterprise Desktop 11
 Product(s): Xen
Definition Synopsis:

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 16
Os 1
Os 2
Os 2
Os 80

Nessus® Vulnerability Scanner

Date Description
2015-06-12 Name : The remote OracleVM host is missing one or more security updates.
File : oraclevm_OVMSA-2015-0068.nasl - Type : ACT_GATHER_INFO
2015-05-20 Name : The remote SUSE host is missing one or more security updates.
File : suse_SU-2014-1691-1.nasl - Type : ACT_GATHER_INFO
2015-05-20 Name : The remote SUSE host is missing one or more security updates.
File : suse_SU-2014-1710-1.nasl - Type : ACT_GATHER_INFO
2015-05-20 Name : The remote SUSE host is missing one or more security updates.
File : suse_SU-2014-1732-1.nasl - Type : ACT_GATHER_INFO
2014-12-29 Name : The remote Gentoo host is missing one or more security-related patches.
File : gentoo_GLSA-201412-42.nasl - Type : ACT_GATHER_INFO
2014-11-26 Name : The remote OracleVM host is missing one or more security updates.
File : oraclevm_OVMSA-2014-0025.nasl - Type : ACT_GATHER_INFO
2014-11-26 Name : The remote OracleVM host is missing one or more security updates.
File : oraclevm_OVMSA-2014-0026.nasl - Type : ACT_GATHER_INFO
2014-10-23 Name : The remote SuSE 11 host is missing one or more security updates.
File : suse_11_xen-201409-141002.nasl - Type : ACT_GATHER_INFO
2014-10-12 Name : The remote Fedora host is missing a security update.
File : fedora_2014-12000.nasl - Type : ACT_GATHER_INFO
2014-10-12 Name : The remote Fedora host is missing a security update.
File : fedora_2014-12036.nasl - Type : ACT_GATHER_INFO
2014-10-10 Name : The remote openSUSE host is missing a security update.
File : openSUSE-2014-579.nasl - Type : ACT_GATHER_INFO
2014-10-10 Name : The remote openSUSE host is missing a security update.
File : openSUSE-2014-580.nasl - Type : ACT_GATHER_INFO
2014-10-09 Name : The remote Fedora host is missing a security update.
File : fedora_2014-12002.nasl - Type : ACT_GATHER_INFO
2014-10-02 Name : The remote Debian host is missing a security-related update.
File : debian_DSA-3041.nasl - Type : ACT_GATHER_INFO
2014-09-29 Name : The remote Fedora host is missing a security update.
File : fedora_2014-11271.nasl - Type : ACT_GATHER_INFO

Alert History

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0
1
Date Informations
2014-12-30 13:25:12
  • Multiple Updates
2014-12-26 21:22:43
  • First insertion