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CVE Record

CVE-2012-6333: Multiple HVM control operations in Xen 3.4 through 4.2 allow local HVM guest OS administrators to cause a d...

Multiple HVM control operations in Xen 3.4 through 4.2 allow local HVM guest OS administrators to cause a denial of service (physical CPU consumption) via a large input.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysis

Security readout for executives and security teams

This is a Xen hypervisor denial-of-service issue. A local administrator inside an HVM guest could submit oversized input to certain control operations and force heavy physical CPU consumption on the host. The sources do not show active exploitation or a CVSS score. Exposure is most likely on legacy Xen 3.4 through 4.2 hosts running HVM guests, especially where guest administrators are untrusted tenants or separate business units. Treat this as a legacy virtualization availability risk. It is most urgent for shared hosting, lab, or tenant environments where guest administrators are not fully trusted. Mitigation focus: Inventory Xen hypervisors and identify versions 3.4 through 4.2.; Follow Xen, Citrix, Gentoo, or SUSE advisory guidance for fixed packages.; Prioritize updates on multi-tenant or externally administered HVM guest hosts..

Prepared

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

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

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CVE-2012-6333 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

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