CVE-2017-15594
8.8
HIGH
CVSS 3.1
EPSS 0.07%
Description
An issue was discovered in Xen through 4.9.x allowing x86 SVM PV guest OS users to cause a denial of service (hypervisor crash) or gain privileges because IDT settings are mishandled during CPU hotplugging.
How to fix CVE-2017-15594
To remediate CVE-2017-15594, upgrade the affected package to a fixed version below.
- Alpine/xen—upgrade to 4.9.0-r6 or later
- Debian/xen—upgrade to 4.8.2+xsa245-0+deb9u1 or later
Is CVE-2017-15594 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 4.9.0-r6
- from 0, < 4.8.2+xsa245-0+deb9u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.8 | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |