CVE-2019-17346
8.8
HIGH
CVSS 3.1
EPSS 0.18%
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 of an incompatibility between Process Context Identifiers (PCID) and TLB flushes.
How to fix CVE-2019-17346
To remediate CVE-2019-17346, upgrade the affected package to a fixed version below.
- Alpine/xen—upgrade to 4.11.2-r0 or later
- Debian/xen—upgrade to 4.11.1+92-g6c33308a8d-1 or later
Is CVE-2019-17346 being exploited?
Low — EPSS is 0.2%, 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 | HIGH8.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |