CVE-2017-8905
8.8
HIGH
CVSS 3.1
EPSS 0.09%
Description
Xen through 4.6.x on 64-bit platforms mishandles a failsafe callback, which might allow PV guest OS users to execute arbitrary code on the host OS, aka XSA-215.
How to fix CVE-2017-8905
To remediate CVE-2017-8905, upgrade the affected package to a fixed version below.
- Alpine/xen—upgrade to 4.6.3-r7 or later
- Debian/xen—upgrade to 4.8.0~rc3-1 or later
Is CVE-2017-8905 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 4.6.3-r7
- from 0, < 4.8.0~rc3-1
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 |