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Last updated: 5/30/2016 3:52:35 PM

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Vulnerability Summary for CVE-2012-4544

Original release date: 10/31/2012
Last revised: 05/05/2014


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.


CVSS Severity (version 2.0):
CVSS v2 Base Score: 2.1 LOW
Impact Subscore: 2.9
Exploitability Subscore: 3.9
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows disruption of service

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External Source: SUSE
Name: SUSE-SU-2012:1486
External Source: SUSE
Name: SUSE-SU-2014:0470
External Source: FEDORA
Name: FEDORA-2012-17135
External Source: BID
Name: 56289
External Source: XF
Name: xen-pvdomainbuilder-dos(79617)
External Source: MLIST
Name: [oss-security] 20121026 Xen Security Advisory 25 (CVE-2012-4544) - Xen domain builder Out-of-memory due to malicious kernel/ramdisk
External Source: SUSE
Name: SUSE-SU-2014:0446
External Source: SUSE
Name: SUSE-SU-2014:0411
External Source: REDHAT
Name: RHSA-2013:0241
External Source: DEBIAN
Name: DSA-2636
External Source: SUSE
Name: openSUSE-SU-2012:1573
External Source: FEDORA
Name: FEDORA-2012-17204
External Source: FEDORA
Name: FEDORA-2012-17408
External Source: SECTRACK
Name: 1027699
External Source: SUSE
Name: SUSE-SU-2012:1487
External Source: SUSE
Name: openSUSE-SU-2012:1572

Vulnerable software and versions

+ Configuration 1
+ OR
cpe:/o:xen:xen:4.2.0 and previous versions

* Denotes Vulnerable Software
Changes related to vulnerability configurations

Technical Details

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