CVE & CISA-KEV Catalog

CVE-2017-7228

HIGHEPSS 73th pctl
8.2
CVSS v3
NVD

Description

An issue (known as XSA-212) was discovered in Xen, with fixes available for 4.8.x, 4.7.x, 4.6.x, 4.5.x, and 4.4.x. The earlier XSA-29 fix introduced an insufficient check on XENMEM_exchange input, allowing the caller to drive hypervisor memory accesses outside of the guest provided input/output arrays.

How to fix

Remediation Available
xenDebian
Fixed in:4.8.1-1CVE-2017-7228
Fixed in:4.8.1-1CVE-2017-7228
Fixed in:4.8.1-1CVE-2017-7228
Fixed in:4.8.1-1CVE-2017-7228

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

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

CVSS v3 Vector

Exploitability

Attack VectorLocal
Attack ComplexityLow
Privileges RequiredHigh
User InteractionNone
ScopeChanged

Impact

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Exploit Intelligence

1.57%probability of exploitation in 30 days
73rdpercentile

Elevated risk: more likely to be exploited than 73% of all known CVEs.

References

Related Vulnerabilities

Other CWE-129 vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2021-35592Medium6.351%-Fix
CVE-2021-35598Medium6.350%-Fix
CVE-2021-35594Medium6.350%-Fix
CVE-2022-35737High7.521%-Fix
CVE-2014-6317High7.118%--
CVE-2023-40477High7.812%-Fix

Common questions

How do I fix CVE-2017-7228?

Upgrade xen on debian 11 to 4.8.1-1 or later.

Is CVE-2017-7228 being actively exploited?

Not that we know of. CVE-2017-7228 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 1.6% is the estimated probability that it will be exploited in the next 30 days. That is higher than 73% of all scored CVEs.

How severe is CVE-2017-7228?

CVE-2017-7228 has a CVSS v3 base score of 8.2, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2017-7228 affect?

Published advisories record a fix for xen (Debian). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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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 2026-05-13.