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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.003 (23.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 24th percentile — 23.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Xen — versions 4.5.0, 4.5.1, 4.5.2
Weakness classification (CWE)
References
- xenbits.xen.org/xsa/advisory-238.html (Patch, Mailing List, Mitigation, Vendor Advisory)
- security.gentoo.org/glsa/201801-14 (vendor-advisory)
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.