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Vulnerability Details : CVE-2012-4544

The PV domain builder in Xen 4.2 and earlier does not validate the size of the kernel or ramdisk (1) before or (2) after decompression, which allows local guest administrators to cause a denial of service (domain 0 memory consumption) via a crafted (a) kernel or (b) ramdisk.
Publish Date : 2012-10-31 Last Update Date : 2017-08-29
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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 Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required 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
DEPRECATED: ELSA-2013-0241 -- xen security update (moderate) oval:org.mitre.oval:def:26932 unix
DSA-2636-1 xen - several oval:org.mitre.oval:def:19816 unix
DSA-2636-2 -- xen -- several vulnerabilities oval:org.mitre.oval:def:29189 unix
ELSA-2013:0241: xen security update (Moderate) oval:org.mitre.oval:def:23430 unix
RHSA-2013:0241: xen security update (Moderate) oval:org.mitre.oval:def:20953 unix
RHSA-2013:0241: xen security update (Moderate) oval:com.redhat.rhsa:def:20130241 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
SUSE-SU-2014:0411-1 -- Security update for Xen oval:org.mitre.oval:def:25518 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-2012-4544

# Product Type Vendor Product Version Update Edition Language
1 OS XEN XEN * * * * Version Details Vulnerabilities
2 OS XEN XEN 4.1.0 * * * Version Details Vulnerabilities
3 OS XEN XEN 4.1.1 * * * Version Details Vulnerabilities
4 OS XEN XEN 4.1.2 * * * Version Details Vulnerabilities
5 OS XEN XEN 4.1.3 * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions

- References For CVE-2012-4544
SUSE SUSE-SU-2014:0411
SUSE SUSE-SU-2014:0446
FEDORA FEDORA-2012-17135
FEDORA FEDORA-2012-17204
FEDORA FEDORA-2012-17408
MLIST [oss-security] 20121026 Xen Security Advisory 25 (CVE-2012-4544) - Xen domain builder Out-of-memory due to malicious kernel/ramdisk
SUSE SUSE-SU-2012:1487
SUSE openSUSE-SU-2012:1572
BID 56289 Xen PV Domain Builder Kernel Decompression Local Denial Of Service Vulnerability Release Date:2014-04-07
SECTRACK 1027699
OSVDB 86619
REDHAT RHSA-2013:0241
SUSE SUSE-SU-2012:1486
SUSE SUSE-SU-2014:0470
SUSE openSUSE-SU-2012:1573
XF xen-pvdomainbuilder-dos(79617)

- Metasploit Modules Related To CVE-2012-4544

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

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