Description
Xen 3.4 through 4.2, and possibly earlier versions, does not properly synchronize the p2m and m2p tables when the set_p2m_entry function fails, which allows local HVM guest OS administrators to cause a denial of service (memory consumption and assertion failure), aka "Memory mapping failure DoS vulnerability."
Published: 2012-11-21
Score: 2.1 Low
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Debian DSA Debian DSA DSA-2582-1 xen security update
EUVD EUVD EUVD-2012-4465 Xen 3.4 through 4.2, and possibly earlier versions, does not properly synchronize the p2m and m2p tables when the set_p2m_entry function fails, which allows local HVM guest OS administrators to cause a denial of service (memory consumption and assertion failure), aka "Memory mapping failure DoS vulnerability."
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2024-08-06T20:42:54.945Z

Reserved: 2012-08-21T00:00:00.000Z

Link: CVE-2012-4537

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2012-11-21T23:55:02.210

Modified: 2026-04-29T01:13:23.040

Link: CVE-2012-4537

cve-icon Redhat

Severity : Moderate

Publid Date: 2012-11-13T00:00:00Z

Links: CVE-2012-4537 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses