How severe is CVE-2007-6416?

CVE-2007-6416 has a CVSS 2.0 base score of 4.6, rated medium severity.

Is CVE-2007-6416 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-6416?

CVE-2007-6416 affects Xen. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2007-6416?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2007-6416 published?

CVE-2007-6416 was published on 2007-12-17 and last updated on 2026-06-16.

CVE-2007-6416

CVE-2007-6416 is a medium-severity vulnerability in Xen with a CVSS 2.0 base score of 4.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-264.

Key facts

Severity: Medium (CVSS 2.0 base score 4.6)
EPSS exploit prediction: 0% (35th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Xen
Published: 2007-12-17
Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is CVE-2007-6416?: 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.
How severe is CVE-2007-6416?: CVE-2007-6416 has a CVSS 2.0 base score of 4.6, rated medium severity.
Is CVE-2007-6416 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-6416?: CVE-2007-6416 affects Xen. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2007-6416?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2007-6416 published?: CVE-2007-6416 was published on 2007-12-17 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:xen:xen:3.1.2:*:*:*:*:*:*:*

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