DEBIAN-CVE-2017-10917

Advisory lineage Upstream: 1 Downstream: 1
Upstream
CVE-2017-10917
Downstream
DSA-3969-1
Published: 05 Jul 2017, 01:29
Last modified:28 Apr 2026, 20:16

Vulnerability Summary

Overall Risk (default)
high
70/100
CVSS Score
9.1 CRITICAL
3.0 (osv_debian)
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
28 Apr 2026, 20:16
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

  • debian•xen

    < 4.8.1-1+deb9u3 | < 4.8.1-1+deb9u3 | < 4.8.1-1+deb9u3 | < 4.8.1-1+deb9u3

References (1)