CVE-2012-3494

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…

published November 23, 2012

CVSS
—
EPSS
0%
Percentile
36.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00437 · 36.6th percentile
Published
2012-11-23T20:00Z
EPSS history
Timeline
  • 23 NOV 20:00Z
    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…
    cvelistv5