UBUNTU-CVE-2018-18883

See a problem?
Source
https://ubuntu.com/security/notices/UBUNTU-CVE-2018-18883
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-18883.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2018-18883
Related
Published
2018-11-01T00:29:00Z
Modified
2018-11-01T00:29:00Z
Severity
  • 8.8 (High) CVSS_V3 - CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

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.

References

Affected packages

Ubuntu:Pro:18.04:LTS / xen

Package

Name
xen

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

4.*

4.9.0-0ubuntu3
4.9.0-0ubuntu4
4.9.2-0ubuntu1

Ecosystem specific

{
    "ubuntu_priority": "medium"
}