CVE-2018-19962
7.8
HIGH
CVSS 3.1
EPSS 0.18%
Description
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.
How to fix CVE-2018-19962
To remediate CVE-2018-19962, upgrade the affected package to a fixed version below.
- Alpine/xen—upgrade to 4.11.1-r0 or later
- Debian/xen—upgrade to 4.11.1-1 or later
Is CVE-2018-19962 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 4.11.1-r0
- from 0, < 4.11.1-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.8 | CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H |