CVE-2017-10917
CRITICAL9.1EPSS 0.84%Published: 7/5/2017Modified: 12/3/2025
Also known as:ALPINE-CVE-2017-10917DEBIAN-CVE-2017-10917
Description
Xen through 4.8.x does not validate the port numbers of polled event channel ports, which allows guest OS users to cause a denial of service (NULL pointer dereference and host OS crash) or possibly obtain sensitive information, aka XSA-221.
Affected packages (2)
- Alpine/xenfrom 0, < 4.9.0-r0
- Debian/xenfrom 0, < 4.8.1-1+deb9u3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.1 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H |