CVE-2012-3433

Impact:
Important
Public Date:
2012-08-09
Bugzilla:
843582: CVE-2012-3433 kernel: xen: HVM guest destroy p2m teardown host DoS vulnerability

The MITRE CVE dictionary describes this issue as:

Xen 4.0 and 4.1 allows local HVM guest OS kernels to cause a denial of service (domain 0 VCPU hang and kernel panic) by modifying the physical address space in a way that triggers excessive shared page search time during the p2m teardown.

Find out more about CVE-2012-3433 from the MITRE CVE dictionary dictionary and NIST NVD.

Statement

Not vulnerable.

The versions of the Linux kernel as shipped with Red Hat Enterprise Linux 5, 6,
and Red Hat Enterprise MRG are not affected.

The versions of the kernel-xen packages as shipped with Red Hat Enterprise Linux 5 are not affected because we did not provide support for memory sharing functionality.

CVSS v2 metrics

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

Base Score 5.5
Base Metrics AV:A/AC:L/Au:S/C:N/I:N/A:C
Access Vector Adjacent Network
Access Complexity Low
Authentication Single
Confidentiality Impact None
Integrity Impact None
Availability Impact Complete

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

Affected Packages State

Platform Package State
Red Hat Enterprise MRG 2 realtime-kernel Not affected
Red Hat Enterprise Linux 6 kernel Not affected
Red Hat Enterprise Linux 5 kernel-xen Not affected
Red Hat Enterprise Linux 5 kernel Not affected

Acknowledgements

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

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

For clarification or corrections please contact Red Hat Product Security.

Last Modified

CVE description copyright © 2017, The MITRE Corporation

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