Public Date:
870412: CVE-2012-4544 xen: Xen domain builder Out-of-memory due to malicious kernel/ramdisk

The MITRE CVE dictionary describes this issue as:

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.

Find out more about CVE-2012-4544 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v2 metrics

NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.

Base Score 2.7
Base Metrics AV:A/AC:L/Au:S/C:N/I:N/A:P
Access Vector Adjacent Network
Access Complexity Low
Authentication Single
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux Virtualization version 5 (xen) RHSA-2013:0241 2013-02-07
Red Hat Enterprise Linux version 5 (xen) RHSA-2013:0241 2013-02-07

Affected Packages State

Platform Package State
Red Hat Enterprise Linux EUS (v. 5.9 server) xen Affected


Red Hat would like to thank the Xen project for reporting this issue.