VDB
DEBIAN-CVE-2012-3494
DEBIAN-CVE-2012-3494
PUBLISHED
CVSS 8.699999809265137 HIGH
The set_debugreg hypercall in include/asm-x86/debugreg.h in Xen 4.0, 4.1, and 4.2, and Citrix XenServer 6.0.2 and earlier, when running on x86-64 systems, allows local OS guest users to cause a denial of service (host crash) by writing to the reserved bits of the DR7 debug control register.
Risk Scores
CVSS v4.0
8.699999809265137
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:14 | xen | 0, 0, 0 |
| Debian:12 | xen | 0, 0, 0 |
| Debian:11 | xen | 0, 0, 0 |
| Debian:13 | xen | 0, 0, 0 |
Timeline
- Nov 23, 2012 CVE Published
- Apr 28, 2026 CVE Updated