Is CVE-2014-3968 in the CISA KEV catalog?

No. CVE-2014-3968 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2014-3968?

CVE-2014-3968 has a CVSS v2 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2014-3968?

CVE-2014-3968 has an EPSS score of 0.72% (49th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2014-3968?

Upgrade xen on debian 11 to 4.4.1-1 or later.

CVE & CISA-KEV Catalog

CVE-2014-3968

MEDIUM

5.5

CVSS v2

NVD

Description

The HVMOP_inject_msi function in Xen 4.2.x, 4.3.x, and 4.4.x allows local guest HVM administrators to cause a denial of service (host crash) via a large number of crafted requests, which trigger an error messages to be logged.

How to fix

Remediation Available

xenDebian

Fixed in:4.4.1-1CVE-2014-3968

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

0.72%probability of exploitation in 30 days

49thpercentile

Moderate risk: more likely to be exploited than 49% of all known CVEs.

References

Patch1

xenbits.xen.org

Other references9

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-06.