CVE-2016-6259
MEDIUM6.2EPSS 0.27%Published: 8/2/2016Modified: 12/3/2025
Also known as:ALPINE-CVE-2016-6259DEBIAN-CVE-2016-6259
Description
Xen 4.5.x through 4.7.x do not implement Supervisor Mode Access Prevention (SMAP) whitelisting in 32-bit exception and event delivery, which allows local 32-bit PV guest OS kernels to cause a denial of service (hypervisor and VM crash) by triggering a safety check.
Affected packages (2)
- Alpine/xenfrom 0, < 4.7.0-r0
- Debian/xenfrom 0, < 4.8.0~rc3-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.2 | CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |