CVE-2017-10915: xen
Vulnerability summary
CVE-2017-10915 is a critical (CVSS 9.0) vulnerability in xen. EPSS estimates a 1.67% chance of exploitation in the next 30 days, higher than 76.8% of scored vulnerabilities.
Severe, CVSS 9 (NVD); no exploitation reported by the 5 checked sources; EPSS 2% (FIRST, 03-11-2026)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 4 · Related 2Timeline
- 05-07-2017PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
The shadow-paging feature in Xen through 4.8.x mismanages page references and consequently introduces a race condition, which allows guest OS users to obtain Xen privileges, aka XSA-219.
CVSS metrics
5 scores · 4 sources · 2 versions- OSV · AlpineEcosystem advisory · calculated9.0CriticalCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
- OSV · UbuntuEcosystem advisory · calculated9.0CriticalCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated9.0CriticalCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
EPSS trend
Probability
1.67%
Chance of exploitation in the next 30 days
Percentile
77%
Versus all other CVEs
30-day change
No change 0.00 pp
From 1.67% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Alpine1 product
- xen< 4.9.0-r0 | < 4.6.6-r0 | < 4.7.3-r0 | < 4.8.2-r0
Debian1 product
- xen< 4.8.1-1+deb9u3
Ubuntu1 product
- xen< 4.4.2-0ubuntu0.14.04.12 | < 4.6.5-0ubuntu1.2
Xen1 product
- xen≤ 4.8.1
4 vendors · 4 products