How severe is CVE-2017-15590?

CVE-2017-15590 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-15590 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-15590?

CVE-2017-15590 affects Xen. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-15590?

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-2017-15590 published?

CVE-2017-15590 was published on 2017-10-18 and last updated on 2026-06-17.

CVE-2017-15590

CVE-2017-15590 is a high-severity vulnerability in Xen with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 4.6
EPSS exploit prediction: 0% (33rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Xen
Published: 2017-10-18
Last modified: 2026-06-17

Description

An issue was discovered in Xen through 4.9.x allowing x86 guest OS users to cause a denial of service (hypervisor crash) or possibly gain privileges because MSI mapping was mishandled.

Frequently asked questions

What is CVE-2017-15590?: An issue was discovered in Xen through 4.9.x allowing x86 guest OS users to cause a denial of service (hypervisor crash) or possibly gain privileges because MSI mapping was mishandled.
How severe is CVE-2017-15590?: CVE-2017-15590 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-15590 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-15590?: CVE-2017-15590 affects Xen. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-15590?: 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-2017-15590 published?: CVE-2017-15590 was published on 2017-10-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:xen:xen:4.9.0:*:*:*:*:*:*:*

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