CVE-2017-10916: xen
Vulnerability summary
CVE-2017-10916 is a high (CVSS 7.5) vulnerability in xen. EPSS estimates a 1.35% chance of exploitation in the next 30 days, higher than 71.5% of scored vulnerabilities.
Severe, CVSS 7.5 (NVD); no exploitation reported by the 5 checked sources; EPSS 1% (FIRST, 03-11-2026)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 1 · Related 1Timeline
- 05-07-2017PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
The vCPU context-switch implementation in Xen through 4.8.x improperly interacts with the Memory Protection Extensions (MPX) and Protection Key (PKU) features, which makes it easier for guest OS users to defeat ASLR and other protection mechanisms, aka XSA-220.
CVSS metrics
5 scores · 4 sources · 2 versions- OSV · AlpineEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS trend
Probability
1.35%
Chance of exploitation in the next 30 days
Percentile
72%
Versus all other CVEs
30-day change
No change 0.00 pp
From 1.35% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot 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< 4.6.5-0ubuntu1.2
Xen1 product
- xen4.5.0 | 4.5.1 | 4.5.2 | 4.5.3 | 4.5.5 | 4.6.0 | 4.6.1 | 4.6.2 | 4.6.4 | 4.6.5 | 4.7.1 | 4.8.0 | 4.8.1
4 vendors · 4 products
