DEBIAN-CVE-2018-18883

Advisory lineage Upstream: 1 Downstream: 0
Upstream
CVE-2018-18883
Published: 01 Nov 2018, 00:29
Last modified:28 Apr 2026, 20:19

Vulnerability Summary

Overall Risk (default)
medium
35/100
CVSS Score
8.8 HIGH
3.0 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

01 Nov 2018, 00:29
Published
Vulnerability first disclosed
28 Apr 2026, 20:19
Last Modified
Vulnerability information updated

Description

An issue was discovered in Xen 4.9.x through 4.11.x, on Intel x86 platforms, allowing x86 HVM and PVH guests to cause a host OS denial of service (NULL pointer dereference) or possibly have unspecified other impact because nested VT-x is not properly restricted.

CVSS Metrics

  • v3.0•HIGH•Score: 8.8CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Affected Systems

  • debian•xen

    < 4.11.1-1 | < 4.11.1-1 | < 4.11.1-1 | < 4.11.1-1

References (1)