How severe is CVE-2017-7228?

CVE-2017-7228 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-7228 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-7228?

CVE-2017-7228 affects Xen. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-7228?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2017-7228 published?

CVE-2017-7228 was published on 2017-04-04 and last updated on 2026-06-17.

CVE-2017-7228

CVE-2017-7228 is a high-severity vulnerability in Xen with a CVSS 3.x base score of 8.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-129.

Key facts

Severity: High (CVSS 3.x base score 8.2)
CVSS v2: 7.2
EPSS exploit prediction: 2% (72nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-129
Affected product: Xen
Published: 2017-04-04
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2017-7228?: 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 severe is CVE-2017-7228?: CVE-2017-7228 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-7228 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-7228?: CVE-2017-7228 affects Xen. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-7228?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2017-7228 published?: CVE-2017-7228 was published on 2017-04-04 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:xen:xen:-:*:*:*:*:*:*:*

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