CVE-2014-3967

CVE-2014-3967 is a medium-severity vulnerability in Xen with a CVSS 2.0 base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

The HVMOP_inject_msi function in Xen 4.2.x, 4.3.x, and 4.4.x does not properly check the return value from the IRQ setup check, which allows local HVM guest administrators to cause a denial of service (NULL pointer dereference and crash) via unspecified vectors.

Frequently asked questions

What is CVE-2014-3967?
The HVMOP_inject_msi function in Xen 4.2.x, 4.3.x, and 4.4.x does not properly check the return value from the IRQ setup check, which allows local HVM guest administrators to cause a denial of service (NULL pointer dereference and crash) via unspecified vectors.
How severe is CVE-2014-3967?
CVE-2014-3967 has a CVSS 2.0 base score of 5.5, rated medium severity.
Is CVE-2014-3967 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-3967?
CVE-2014-3967 primarily affects Xen. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2014-3967?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2014-3967 published?
CVE-2014-3967 was published on 2014-06-05 and last updated on 2026-06-17.

References

Affected products (10)

More vulnerabilities in Xen

All CVEs affecting Xen →