What is CVE-2017-15591?

CVE-2017-15591 is a medium-severity vulnerability in Xen, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2017-10-18.

How severe is CVE-2017-15591?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Improper input validation in Xen

CVE-2017-15591

An issue was discovered in Xen 4.5.x through 4.9.x allowing attackers (who control a stub domain kernel or tool stack) to cause a denial of service (host OS crash) because of a missing comparison (of range start to range end) within the DMOP map/unmap implementation.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.003 (25.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H.

Affected products

Xen — versions 4.5.0, 4.5.1, 4.5.2
N/a — versions n/a

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

cve@mitre.org (x_refsource_CONFIRM, Patch, Mailing List, Mitigation, Vendor Advisory)
cve@mitre.org (vendor-advisory, x_refsource_GENTOO)

Frequently asked questions

What is CVE-2017-15591?: CVE-2017-15591 is a medium-severity vulnerability in Xen, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2017-10-18.
How severe is CVE-2017-15591?: Medium severity. CVSS v3 base score is 6.5 out of 10.