Is CVE-2014-8594 in the CISA KEV catalog?

No. CVE-2014-8594 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2014-8594?

CVE-2014-8594 has a CVSS v2 base score of 5.4 (MEDIUM).

What is the EPSS score for CVE-2014-8594?

CVE-2014-8594 has an EPSS score of 2.22% (81th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2014-8594?

Upgrade xen on debian 11 to 4.4.1-4 or later.

CVE & CISA-KEV Catalog

CVE-2014-8594

MEDIUMEPSS 81th pctl

5.4

CVSS v2

NVD

Description

The do_mmu_update function in arch/x86/mm.c in Xen 4.x through 4.4.x does not properly restrict updates to only PV page tables, which allows remote PV guests to cause a denial of service (NULL pointer dereference) by leveraging hardware emulation services for HVM guests using Hardware Assisted Paging (HAP).

CWE-20Improper Input Validation

How to fix

Remediation Available

xenDebian

Fixed in:4.4.1-4CVE-2014-8594

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

2.22%probability of exploitation in 30 days

81stpercentile

Elevated risk: more likely to be exploited than 81% of all known CVEs.

References

Patch1

xenbits.xen.org

Third-Party Advisory3

Other references4

Related Vulnerabilities

Other CWE-20 (Improper Input Validation) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-3400	Critical	10.0	100%	KEV + Ransom	-
CVE-2021-45105	Medium	5.9	100%	-	Fix
CVE-2021-44228	Critical	10.0	100%	KEV + Ransom	Fix
CVE-2021-21985	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2018-7600	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2020-3452	High	7.5	100%	KEV	Fix

Embed a live status badge for CVE-2014-8594

Markdown

[![CVE-2014-8594](https://tridentstack.com/cve/badge/CVE-2014-8594.svg)](https://tridentstack.com/cve/CVE-2014-8594)

HTML

<a href="https://tridentstack.com/cve/CVE-2014-8594"><img src="https://tridentstack.com/cve/badge/CVE-2014-8594.svg" alt="CVE-2014-8594"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

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.