CVE-2012-3433: n/a vulnerability

CVE-2012-3433: Xen 4.0 and 4.1 allows local HVM guest OS kernels to cause a denial of service (domain 0 VCPU hang and kern...

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.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 6, 2024, 20:05 UTC (UTC+00:00)

Security readout for executives and security teams

CVE-2012-3433 affects older Xen hypervisors. A malicious or compromised HVM guest kernel can make the host control domain hang or panic, potentially disrupting other virtual machines on that host. Business risk is mainly service outage in environments still running Xen 4.0 or 4.1. Exposure appears limited to Xen 4.0 and 4.1 hosts running HVM guests, especially where guest administrators or tenants are not fully trusted. The bundle does not identify broader affected products beyond vendor advisories. Treat as urgent for legacy Xen virtualization supporting business-critical or tenant workloads. The practical impact is host outage, not data theft, but one compromised guest could disrupt multiple workloads. Mitigation focus: Inventory Xen hosts for versions 4.0 and 4.1.; Apply Xen or distribution security updates from the relevant vendor advisory.; Prioritize multi-tenant hosts and hosts running untrusted HVM guests..

Prepared: Jun 24, 2026, 12:04 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Nov 24, 2012, 20:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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0CVSS vectors

0Timeline events

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1Source links

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Source materials

CVE List V5 sourceCVE List V5

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

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Weakness

CWE details

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