UBUNTU-CVE-2018-19962

Source
https://ubuntu.com/security/CVE-2018-19962
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-19962.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2018-19962
Related
Published
2018-12-08T04:29:00Z
Modified
2024-10-15T14:06:36Z
Severity
  • 7.8 (High) CVSS_V3 - CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

An issue was discovered in Xen through 4.11.x on AMD x86 platforms, possibly allowing guest OS users to gain host OS privileges because small IOMMU mappings are unsafely combined into larger ones.

References

Affected packages

Ubuntu:Pro:18.04:LTS / xen

Package

Name
xen
Purl
pkg:deb/ubuntu/xen?arch=src?distro=esm-infra/bionic

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"
}