UBUNTU-CVE-2017-10917

Advisory lineage Upstream: 1 Downstream: 0
Upstream
CVE-2017-10917
Published: 05 Jul 2017, 01:29
Last modified:22 Apr 2026, 11:10

Vulnerability Summary

Overall Risk (default)
high
70/100
CVSS Score
9.1 CRITICAL
3.0 (osv_ubuntu)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

05 Jul 2017, 01:29
Published
Vulnerability first disclosed
22 Apr 2026, 11:10
Last Modified
Vulnerability information updated

Description

Xen through 4.8.x does not validate the port numbers of polled event channel ports, which allows guest OS users to cause a denial of service (NULL pointer dereference and host OS crash) or possibly obtain sensitive information, aka XSA-221.

CVSS Metrics

  • v3.0•CRITICAL•Score: 9.1CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Affected Systems

  • ubuntu•xen

    < 4.4.2-0ubuntu0.14.04.12 | < 4.6.5-0ubuntu1.2

References (3)