CVE-2017-15593
6.5
MEDIUM
CVSS 3.1
EPSS 0.07%
Description
An issue was discovered in Xen through 4.9.x allowing x86 PV guest OS users to cause a denial of service (memory leak) because reference counts are mishandled.
How to fix CVE-2017-15593
To remediate CVE-2017-15593, 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-2017-15593 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 | MEDIUM6.5 | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H |