CVE-2019-17347
7.8
HIGH
CVSS 3.1
EPSS 0.07%
Description
An issue was discovered in Xen through 4.11.x allowing x86 PV guest OS users to cause a denial of service or gain privileges because a guest can manipulate its virtualised %cr4 in a way that is incompatible with Linux (and possibly other guest kernels).
How to fix CVE-2019-17347
To remediate CVE-2019-17347, upgrade the affected package to a fixed version below.
- Alpine/xen—upgrade to 4.11.2-r0 or later
- —upgrade to 4.11.1+92-g6c33308a8d-1 or later
Is CVE-2019-17347 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 4.11.2-r0
- from 0, < 4.11.1+92-g6c33308a8d-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |