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Vulnerability Details : CVE-2013-1917

Xen 3.1 through 4.x, when running 64-bit hosts on Intel CPUs, does not clear the NT flag when using an IRET after a SYSENTER instruction, which allows PV guest users to cause a denial of service (hypervisor crash) by triggering a #GP fault, which is not properly handled by another IRET instruction.
Publish Date : 2013-05-13 Last Update Date : 2014-04-19
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- CVSS Scores & Vulnerability Types

CVSS Score
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of Service

- Related OVAL Definitions

Title Definition Id Class Family
DSA-2662-1 xen - several oval:org.mitre.oval:def:19838 unix
SUSE-SU-2013:1075-1 -- Security update for Xen oval:org.mitre.oval:def:25689 unix
SUSE-SU-2014:0411-1 -- Security update for Xen oval:org.mitre.oval:def:25518 unix
SUSE-SU-2014:0470-1 -- Security update for Xen oval:org.mitre.oval:def:25516 unix
SUSE-SU-2014:0446-1 -- Security update for Xen oval:org.mitre.oval:def:25115 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2013-1917

# Product Type Vendor Product Version Update Edition Language
1 OS XEN XEN 3.1.3 Version Details Vulnerabilities
2 OS XEN XEN 3.1.4 Version Details Vulnerabilities
3 OS XEN XEN 3.2.0 Version Details Vulnerabilities
4 OS XEN XEN 3.2.1 Version Details Vulnerabilities
5 OS XEN XEN 3.2.2 Version Details Vulnerabilities
6 OS XEN XEN 3.2.3 Version Details Vulnerabilities
7 OS XEN XEN 3.3.0 Version Details Vulnerabilities
8 OS XEN XEN 3.3.1 Version Details Vulnerabilities
9 OS XEN XEN 3.3.2 Version Details Vulnerabilities
10 OS XEN XEN 3.4.0 Version Details Vulnerabilities
11 OS XEN XEN 3.4.1 Version Details Vulnerabilities
12 OS XEN XEN 3.4.2 Version Details Vulnerabilities
13 OS XEN XEN 3.4.3 Version Details Vulnerabilities
14 OS XEN XEN 3.4.4 Version Details Vulnerabilities
15 OS XEN XEN 4.0.0 Version Details Vulnerabilities
16 OS XEN XEN 4.0.1 Version Details Vulnerabilities
17 OS XEN XEN 4.0.2 Version Details Vulnerabilities
18 OS XEN XEN 4.0.3 Version Details Vulnerabilities
19 OS XEN XEN 4.0.4 Version Details Vulnerabilities
20 OS XEN XEN 4.1.0 Version Details Vulnerabilities
21 OS XEN XEN 4.1.1 Version Details Vulnerabilities
22 OS XEN XEN 4.1.2 Version Details Vulnerabilities
23 OS XEN XEN 4.1.3 Version Details Vulnerabilities
24 OS XEN XEN 4.1.4 Version Details Vulnerabilities
25 OS XEN XEN 4.2.0 Version Details Vulnerabilities
26 OS XEN XEN 4.2.1 Version Details Vulnerabilities
27 OS XEN XEN 4.2.2 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions

- References For CVE-2013-1917
SECTRACK 1028455
MLIST [oss-security] 20130418 Xen Security Advisory 44 (CVE-2013-1917) - Xen PV DoS vulnerability with SYSENTER
SUSE SUSE-SU-2014:0470
SUSE SUSE-SU-2014:0411
SUSE SUSE-SU-2014:0446
SUSE openSUSE-SU-2013:0912
GENTOO GLSA-201309-24

- Metasploit Modules Related To CVE-2013-1917

There are not any metasploit modules related to this CVE entry (Please visit for more information)

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