Is CVE-2014-7156 in the CISA KEV catalog?

No. CVE-2014-7156 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2014-7156?

CVE-2014-7156 has a CVSS v2 base score of 3.3 (LOW).

What is the EPSS score for CVE-2014-7156?

CVE-2014-7156 has an EPSS score of 0.85% (54th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2014-7156?

Upgrade xen on debian 11 to 4.4.1-3 or later.

CVE & CISA-KEV Catalog

CVE-2014-7156

LOW

3.3

CVSS v2

NVD

Description

The x86_emulate function in arch/x86/x86_emulate/x86_emulate.c in Xen 3.3.x through 4.4.x does not check the supervisor mode permissions for instructions that generate software interrupts, which allows local HVM guest users to cause a denial of service (guest crash) via unspecified vectors.

CWE-264Permissions, Privileges, and Access Controls

How to fix

Remediation Available

xenDebian

Fixed in:4.4.1-3CVE-2014-7156

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

0.85%probability of exploitation in 30 days

54thpercentile

Moderate risk: more likely to be exploited than 54% of all known CVEs.

References

Patch1

xenbits.xen.org

Other references12

Related Vulnerabilities

Other CWE-264 (Permissions, Privileges, and Access Controls) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2012-1456	Medium	4.3	100%	-	-
CVE-2012-1459	Medium	4.3	100%	-	Fix
CVE-2012-1446	Medium	4.3	100%	-	-
CVE-2012-1443	Medium	4.3	100%	-	-
CVE-2012-1442	Medium	4.3	99%	-	-
CVE-2012-1457	Medium	4.3	98%	-	Fix

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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.