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CVE Database

CVE-2012-4544

Impact: Moderate
Public: 2012-10-26
Bugzilla: 870412: CVE-2012-4544 xen: Xen domain builder Out-of-memory due to malicious kernel/ramdisk

Details

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 and NIST NVD.

CVSS v2 metrics

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 Instance
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
RHEL Virtualization version 5 (xen) RHSA-2013:0241 February 07, 2013
Red Hat Enterprise Linux version 5 (xen) RHSA-2013:0241 February 07, 2013

External References

Acknowledgements

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

This page is generated automatically and has not been checked for errors or omissions.

For clarification or corrections please contact the Red Hat Security Response Team.