The guest_physmap_mark_populate_on_demand function in Xen 4.2 and earlier does not properly unlock the subject GFNs when checking if they are in use, which allows local guest HVM administrators to cause a denial of service (hang) via unspecified vectors.
Advisories
Source ID Title
Debian DSA Debian DSA DSA-2582-1 xen security update
EUVD EUVD EUVD-2012-5406 The guest_physmap_mark_populate_on_demand function in Xen 4.2 and earlier does not properly unlock the subject GFNs when checking if they are in use, which allows local guest HVM administrators to cause a denial of service (hang) via unspecified vectors.
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

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Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2024-08-06T21:05:47.237Z

Reserved: 2012-10-24T00:00:00

Link: CVE-2012-5514

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2012-12-13T11:53:49.040

Modified: 2025-04-11T00:51:21.963

Link: CVE-2012-5514

cve-icon Redhat

Severity : Moderate

Publid Date: 2012-12-03T00:00:00Z

Links: CVE-2012-5514 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses