DEBIAN-CVE-2018-18883

Source
https://security-tracker.debian.org/tracker/CVE-2018-18883
Import Source
https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2018-18883.json
JSON Data
https://api.test.osv.dev/v1/vulns/DEBIAN-CVE-2018-18883
Upstream
Published
2018-11-01T00:29:00Z
Modified
2025-09-25T22:40:36Z
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

Debian:11 / xen

Package

Name
xen
Purl
pkg:deb/debian/xen?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.11.1-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Debian:12 / xen

Package

Name
xen
Purl
pkg:deb/debian/xen?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.11.1-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Debian:13 / xen

Package

Name
xen
Purl
pkg:deb/debian/xen?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.11.1-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Debian:14 / xen

Package

Name
xen
Purl
pkg:deb/debian/xen?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.11.1-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}