CVE-2016-9382
7.8
HIGH
CVSS 3.1
EPSS 0.12%
Description
Xen 4.0.x through 4.7.x mishandle x86 task switches to VM86 mode, which allows local 32-bit x86 HVM guest OS users to gain privileges or cause a denial of service (guest OS crash) by leveraging a guest operating system that uses hardware task switching and allows a new task to start in VM86 mode.
How to fix CVE-2016-9382
To remediate CVE-2016-9382, upgrade the affected package to a fixed version below.
- Alpine/xen—upgrade to 4.7.1-r1 or later
- —upgrade to 4.8.0-1 or later
Is CVE-2016-9382 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 4.7.1-r1
- from 0, < 4.8.0-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.8 | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |