CVE-2017-10922
7.5
HIGH
CVSS 3.1
EPSS 0.62%
Description
The grant-table feature in Xen through 4.8.x mishandles MMIO region grant references, which allows guest OS users to cause a denial of service (loss of grant trackability), aka XSA-224 bug 3.
How to fix CVE-2017-10922
To remediate CVE-2017-10922, upgrade the affected package to a fixed version below.
- Alpine/xen—upgrade to 4.9.0-r0 or later
- Debian/xen—upgrade to 4.8.1-1+deb9u3 or later
Is CVE-2017-10922 being exploited?
Low — EPSS is 0.6%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 4.9.0-r0
- from 0, < 4.8.1-1+deb9u3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |