Xen 3.4, 4.0, and 4.1, when the guest OS has not registered a handler for a syscall or sysenter instruction, does not properly clear a flag for exception injection when injecting a General Protection Fault, which allows local PV guest OS users to cause a denial of service (guest crash) by later triggering an exception that would normally be handled within Xen.
Advisories
Source ID Title
Debian DSA Debian DSA DSA-2501-1 xen security update
EUVD EUVD EUVD-2012-0254 Xen 3.4, 4.0, and 4.1, when the guest OS has not registered a handler for a syscall or sysenter instruction, does not properly clear a flag for exception injection when injecting a General Protection Fault, which allows local PV guest OS users to cause a denial of service (guest crash) by later triggering an exception that would normally be handled within Xen.
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: debian

Published:

Updated: 2024-08-06T18:16:19.768Z

Reserved: 2011-12-14T00:00:00

Link: CVE-2012-0218

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2012-12-03T21:55:01.440

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

Link: CVE-2012-0218

cve-icon Redhat

Severity : Moderate

Publid Date: 2012-06-12T00:00:00Z

Links: CVE-2012-0218 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses