UBUNTU-CVE-2018-19961

See a problem?
Source
https://ubuntu.com/security/notices/UBUNTU-CVE-2018-19961
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-19961.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2018-19961
Related
Published
2018-12-08T04:29:00Z
Modified
2018-12-08T04:29:00Z
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 TLB flushes do not always occur after IOMMU mapping changes.

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"
}