CVE-2007-6416: n/a vulnerability

CVE-2007-6416: The copy_to_user function in the PAL emulation functionality for Xen 3.1.2 and earlier, when running on ia6...

The copy_to_user function in the PAL emulation functionality for Xen 3.1.2 and earlier, when running on ia64 systems, allows HVM guest users to access arbitrary physical memory by triggering certain mapping operations.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 7, 2024, 16:02 UTC (UTC+00:00)

Security readout for executives and security teams

This is an old Xen hypervisor issue affecting Xen 3.1.2 and earlier on Itanium ia64 systems. A user inside an HVM guest could potentially read or touch arbitrary physical memory, threatening isolation between workloads on the same host. Likely exposure is limited to legacy Xen 3.1.2-or-earlier deployments on ia64 hardware running HVM guests. Modern x86 or non-HVM Xen environments are not identified as affected in the provided sources. Treat as high priority only if legacy ia64 Xen HVM infrastructure still exists. For most modern environments, exposure is likely low because the affected platform and Xen versions are obsolete. Mitigation focus: Identify and retire Xen 3.1.2 or earlier on ia64 hosts.; Apply relevant vendor updates, including Red Hat guidance where applicable.; Review the Xen confirmed change for fixed PAL emulation behavior..

Prepared: Jun 28, 2026, 19:45 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: Dec 17, 2007, 23:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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0CVSS vectors

0Timeline events

0ADP providers

2Source links

CVSS and timeline data

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Source materials

CVE List V5 sourceCVE List V5
oval:org.mitre.oval:def:9840CVE reference · vdb-entry, signature

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

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