CVE-2016-4963
xen - security update
4.7
MEDIUM
CVSS 3.1
EPSS 0.05%
Description
The libxl device-handling in Xen through 4.6.x allows local guest OS users with access to the driver domain to cause a denial of service (management tool confusion) by manipulating information in the backend directories in xenstore.
How to fix CVE-2016-4963
To remediate CVE-2016-4963, upgrade the affected package to a fixed version below.
- Debian/xen—upgrade to 4.8.0~rc3-1 or later
- —upgrade to 4.4.4lts1-0+deb8u1 or later
Is CVE-2016-4963 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 4.8.0~rc3-1
- from 0, < 4.4.4lts1-0+deb8u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.7 | CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H |